nbsp ---- " " -- no-break space = non-breaking space, U+00A0 ISOnum
iexcl ---- "¡" -- inverted exclamation mark, U+00A1 ISOnum
cent ---- "¢" -- cent sign, U+00A2 ISOnum
pound ---- "£" -- pound sign, U+00A3 ISOnum
curren ---- "¤" -- currency sign, U+00A4 ISOnum
yen ---- "¥" -- yen sign = yuan sign, U+00A5 ISOnum
brvbar ---- "¦" -- broken bar = broken vertical bar, U+00A6 ISOnum
sect ---- "§" -- section sign, U+00A7 ISOnum
uml ---- "¨" -- diaeresis = spacing diaeresis, U+00A8 ISOdia
copy ---- "©" -- copyright sign, U+00A9 ISOnum
ordf ---- "ª" -- feminine ordinal indicator, U+00AA ISOnum
laquo ---- "«" -- left-pointing double angle quotation mark = left pointing guillemet, U+00AB ISOnum
not ---- "¬" -- not sign, U+00AC ISOnum
shy ---- "­" -- soft hyphen = discretionary hyphen, U+00AD ISOnum
reg ---- "®" -- registered sign = registered trade mark sign, U+00AE ISOnum
macr ---- "¯" -- macron = spacing macron = overline = APL overbar, U+00AF ISOdia
deg ---- "°" -- degree sign, U+00B0 ISOnum
plusmn ---- "±" -- plus-minus sign = plus-or-minus sign, U+00B1 ISOnum
sup2 ---- "²" -- superscript two = superscript digit two = squared, U+00B2 ISOnum
sup3 ---- "³" -- superscript three = superscript digit three = cubed, U+00B3 ISOnum
acute ---- "´" -- acute accent = spacing acute, U+00B4 ISOdia
micro ---- "µ" -- micro sign, U+00B5 ISOnum
para ---- "¶" -- pilcrow sign = paragraph sign, U+00B6 ISOnum
middot ---- "·" -- middle dot = Georgian comma = Greek middle dot, U+00B7 ISOnum
cedil ---- "¸" -- cedilla = spacing cedilla, U+00B8 ISOdia
sup1 ---- "¹" -- superscript one = superscript digit one, U+00B9 ISOnum
ordm ---- "º" -- masculine ordinal indicator, U+00BA ISOnum
raquo ---- "»" -- right-pointing double angle quotation mark = right pointing guillemet, U+00BB ISOnum
frac14 ---- "¼" -- vulgar fraction one quarter = fraction one quarter, U+00BC ISOnum
frac12 ---- "½" -- vulgar fraction one half = fraction one half, U+00BD ISOnum
frac34 ---- "¾" -- vulgar fraction three quarters = fraction three quarters, U+00BE ISOnum
iquest ---- "¿" -- inverted question mark = turned question mark, U+00BF ISOnum
Agrave ---- "À" -- latin capital letter A with grave = latin capital letter A grave, U+00C0 ISOlat1
Aacute ---- "Á" -- latin capital letter A with acute, U+00C1 ISOlat1
Acirc ---- "Â" -- latin capital letter A with circumflex, U+00C2 ISOlat1
Atilde ---- "Ã" -- latin capital letter A with tilde, U+00C3 ISOlat1
Auml ---- "Ä" -- latin capital letter A with diaeresis, U+00C4 ISOlat1
Aring ---- "Å" -- latin capital letter A with ring above = latin capital letter A ring, U+00C5 ISOlat1
AElig ---- "Æ" -- latin capital letter AE = latin capital ligature AE, U+00C6 ISOlat1
Ccedil ---- "Ç" -- latin capital letter C with cedilla, U+00C7 ISOlat1
Egrave ---- "È" -- latin capital letter E with grave, U+00C8 ISOlat1
Eacute ---- "É" -- latin capital letter E with acute, U+00C9 ISOlat1
Ecirc ---- "Ê" -- latin capital letter E with circumflex, U+00CA ISOlat1
Euml ---- "Ë" -- latin capital letter E with diaeresis, U+00CB ISOlat1
Igrave ---- "Ì" -- latin capital letter I with grave, U+00CC ISOlat1
Iacute ---- "Í" -- latin capital letter I with acute, U+00CD ISOlat1
Icirc ---- "Î" -- latin capital letter I with circumflex, U+00CE ISOlat1
Iuml ---- "Ï" -- latin capital letter I with diaeresis, U+00CF ISOlat1
ETH ---- "Ð" -- latin capital letter ETH, U+00D0 ISOlat1
Ntilde ---- "Ñ" -- latin capital letter N with tilde, U+00D1 ISOlat1
Ograve ---- "Ò" -- latin capital letter O with grave, U+00D2 ISOlat1
Oacute ---- "Ó" -- latin capital letter O with acute, U+00D3 ISOlat1
Ocirc ---- "Ô" -- latin capital letter O with circumflex, U+00D4 ISOlat1
Otilde ---- "Õ" -- latin capital letter O with tilde, U+00D5 ISOlat1
Ouml ---- "Ö" -- latin capital letter O with diaeresis, U+00D6 ISOlat1
times ---- "×" -- multiplication sign, U+00D7 ISOnum
Oslash ---- "Ø" -- latin capital letter O with stroke = latin capital letter O slash, U+00D8 ISOlat1
Ugrave ---- "Ù" -- latin capital letter U with grave, U+00D9 ISOlat1
Uacute ---- "Ú" -- latin capital letter U with acute, U+00DA ISOlat1
Ucirc ---- "Û" -- latin capital letter U with circumflex, U+00DB ISOlat1
Uuml ---- "Ü" -- latin capital letter U with diaeresis, U+00DC ISOlat1
Yacute ---- "Ý" -- latin capital letter Y with acute, U+00DD ISOlat1
THORN ---- "Þ" -- latin capital letter THORN, U+00DE ISOlat1
szlig ---- "ß" -- latin small letter sharp s = ess-zed, U+00DF ISOlat1
agrave ---- "à" -- latin small letter a with grave = latin small letter a grave, U+00E0 ISOlat1
aacute ---- "á" -- latin small letter a with acute, U+00E1 ISOlat1
acirc ---- "â" -- latin small letter a with circumflex, U+00E2 ISOlat1
atilde ---- "ã" -- latin small letter a with tilde, U+00E3 ISOlat1
auml ---- "ä" -- latin small letter a with diaeresis, U+00E4 ISOlat1
aring ---- "å" -- latin small letter a with ring above = latin small letter a ring, U+00E5 ISOlat1
aelig ---- "æ" -- latin small letter ae = latin small ligature ae, U+00E6 ISOlat1
ccedil ---- "ç" -- latin small letter c with cedilla, U+00E7 ISOlat1
egrave ---- "è" -- latin small letter e with grave, U+00E8 ISOlat1
eacute ---- "é" -- latin small letter e with acute, U+00E9 ISOlat1
ecirc ---- "ê" -- latin small letter e with circumflex, U+00EA ISOlat1
euml ---- "ë" -- latin small letter e with diaeresis, U+00EB ISOlat1
igrave ---- "ì" -- latin small letter i with grave, U+00EC ISOlat1
iacute ---- "í" -- latin small letter i with acute, U+00ED ISOlat1
icirc ---- "î" -- latin small letter i with circumflex, U+00EE ISOlat1
iuml ---- "ï" -- latin small letter i with diaeresis, U+00EF ISOlat1
eth ---- "ð" -- latin small letter eth, U+00F0 ISOlat1
ntilde ---- "ñ" -- latin small letter n with tilde, U+00F1 ISOlat1
ograve ---- "ò" -- latin small letter o with grave, U+00F2 ISOlat1
oacute ---- "ó" -- latin small letter o with acute, U+00F3 ISOlat1
ocirc ---- "ô" -- latin small letter o with circumflex, U+00F4 ISOlat1
otilde ---- "õ" -- latin small letter o with tilde, U+00F5 ISOlat1
ouml ---- "ö" -- latin small letter o with diaeresis, U+00F6 ISOlat1
divide ---- "÷" -- division sign, U+00F7 ISOnum
oslash ---- "ø" -- latin small letter o with stroke, = latin small letter o slash, U+00F8 ISOlat1
ugrave ---- "ù" -- latin small letter u with grave, U+00F9 ISOlat1
uacute ---- "ú" -- latin small letter u with acute, U+00FA ISOlat1
ucirc ---- "û" -- latin small letter u with circumflex, U+00FB ISOlat1
uuml ---- "ü" -- latin small letter u with diaeresis, U+00FC ISOlat1
yacute ---- "ý" -- latin small letter y with acute, U+00FD ISOlat1
thorn ---- "þ" -- latin small letter thorn with, U+00FE ISOlat1
yuml ---- "ÿ" -- latin small letter y with diaeresis, U+00FF ISOlat1
Alpha ---- "Α" -- greek capital letter alpha, U+0391
Beta ---- "Β" -- greek capital letter beta, U+0392
Gamma ---- "Γ" -- greek capital letter gamma, U+0393 ISOgrk3
Delta ---- "Δ" -- greek capital letter delta, U+0394 ISOgrk3
Epsilon ---- "Ε" -- greek capital letter epsilon, U+0395
Zeta ---- "Ζ" -- greek capital letter zeta, U+0396
Eta ---- "Η" -- greek capital letter eta, U+0397
Theta ---- "Θ" -- greek capital letter theta, U+0398 ISOgrk3
Iota ---- "Ι" -- greek capital letter iota, U+0399
Kappa ---- "Κ" -- greek capital letter kappa, U+039A
Lambda ---- "Λ" -- greek capital letter lambda, U+039B ISOgrk3
Mu ---- "Μ" -- greek capital letter mu, U+039C
Nu ---- "Ν" -- greek capital letter nu, U+039D
Xi ---- "Ξ" -- greek capital letter xi, U+039E ISOgrk3
Omicron ---- "Ο" -- greek capital letter omicron, U+039F
Pi ---- "Π" -- greek capital letter pi, U+03A0 ISOgrk3
Rho ---- "Ρ" -- greek capital letter rho, U+03A1

there is no Sigmaf, and no U+03A2 character either
Sigma ---- "Σ" -- greek capital letter sigma, U+03A3 ISOgrk3
Tau ---- "Τ" -- greek capital letter tau, U+03A4
Upsilon ---- "Υ" -- greek capital letter upsilon, U+03A5 ISOgrk3
Phi ---- "Φ" -- greek capital letter phi, U+03A6 ISOgrk3
Chi ---- "Χ" -- greek capital letter chi, U+03A7
Psi ---- "Ψ" -- greek capital letter psi, U+03A8 ISOgrk3
Omega ---- "Ω" -- greek capital letter omega, U+03A9 ISOgrk3
alpha ---- "α" -- greek small letter alpha, U+03B1 ISOgrk3
beta ---- "β" -- greek small letter beta, U+03B2 ISOgrk3
gamma ---- "γ" -- greek small letter gamma, U+03B3 ISOgrk3
delta ---- "δ" -- greek small letter delta, U+03B4 ISOgrk3
epsilon ---- "ε" -- greek small letter epsilon, U+03B5 ISOgrk3
zeta ---- "ζ" -- greek small letter zeta, U+03B6 ISOgrk3
eta ---- "η" -- greek small letter eta, U+03B7 ISOgrk3
theta ---- "θ" -- greek small letter theta, U+03B8 ISOgrk3
iota ---- "ι" -- greek small letter iota, U+03B9 ISOgrk3
kappa ---- "κ" -- greek small letter kappa, U+03BA ISOgrk3
lambda ---- "λ" -- greek small letter lambda, U+03BB ISOgrk3
mu ---- "μ" -- greek small letter mu, U+03BC ISOgrk3
nu ---- "ν" -- greek small letter nu, U+03BD ISOgrk3
xi ---- "ξ" -- greek small letter xi, U+03BE ISOgrk3
omicron ---- "ο" -- greek small letter omicron, U+03BF NEW
pi ---- "π" -- greek small letter pi, U+03C0 ISOgrk3
rho ---- "ρ" -- greek small letter rho, U+03C1 ISOgrk3
sigmaf ---- "ς" -- greek small letter final sigma, U+03C2 ISOgrk3
sigma ---- "σ" -- greek small letter sigma, U+03C3 ISOgrk3
tau ---- "τ" -- greek small letter tau, U+03C4 ISOgrk3
upsilon ---- "υ" -- greek small letter upsilon, U+03C5 ISOgrk3
phi ---- "φ" -- greek small letter phi, U+03C6 ISOgrk3
chi ---- "χ" -- greek small letter chi, U+03C7 ISOgrk3
psi ---- "ψ" -- greek small letter psi, U+03C8 ISOgrk3
omega ---- "ω" -- greek small letter omega, U+03C9 ISOgrk3
thetasym ---- "ϑ" -- greek small letter theta symbol, U+03D1 NEW
upsih ---- "ϒ" -- greek upsilon with hook symbol, U+03D2 NEW
piv ---- "ϖ" -- greek pi symbol, U+03D6 ISOgrk3

General Punctuation
bull ---- "•" -- bullet = black small circle, U+2022 ISOpub

bullet is NOT the same as bullet operator, U+2219
hellip ---- "…" -- horizontal ellipsis = three dot leader, U+2026 ISOpub
prime ---- "′" -- prime = minutes = feet, U+2032 ISOtech
Prime ---- "″" -- double prime = seconds = inches, U+2033 ISOtech
oline ---- "‾" -- overline = spacing overscore, U+203E NEW
frasl ---- "⁄" -- fraction slash, U+2044 NEW

Letterlike Symbols
weierp ---- "℘" -- script capital P = power set = Weierstrass p, U+2118 ISOamso
image ---- "ℑ" -- blackletter capital I = imaginary part, U+2111 ISOamso
real ---- "ℜ" -- blackletter capital R = real part symbol, U+211C ISOamso
trade ---- "™" -- trade mark sign, U+2122 ISOnum
alefsym ---- "ℵ" -- alef symbol = first transfinite cardinal, U+2135 NEW

alef symbol is NOT the same as hebrew letter alef, U+05D0 although the same glyph could be used to depict both characters

Arrows
larr ---- "←" -- leftwards arrow, U+2190 ISOnum
uarr ---- "↑" -- upwards arrow, U+2191 ISOnum
rarr ---- "→" -- rightwards arrow, U+2192 ISOnum
darr ---- "↓" -- downwards arrow, U+2193 ISOnum
harr ---- "↔" -- left right arrow, U+2194 ISOamsa
crarr ---- "↵" -- downwards arrow with corner leftwards = carriage return, U+21B5 NEW
lArr ---- "⇐" -- leftwards double arrow, U+21D0 ISOtech

Unicode does not say that lArr is the same as the 'is implied by' arrow but also does not have any other character for that function. So ? lArr can be used for 'is implied by' as ISOtech suggests
uArr ---- "⇑" -- upwards double arrow, U+21D1 ISOamsa
rArr ---- "⇒" -- rightwards double arrow, U+21D2 ISOtech

Unicode does not say this is the 'implies' character but does not have another character with this function so ? rArr can be used for 'implies' as ISOtech suggests
dArr ---- "⇓" -- downwards double arrow, U+21D3 ISOamsa
hArr ---- "⇔" -- left right double arrow, U+21D4 ISOamsa

Mathematical Operators
forall ---- "∀" -- for all, U+2200 ISOtech
part ---- "∂" -- partial differential, U+2202 ISOtech
exist ---- "∃" -- there exists, U+2203 ISOtech
empty ---- "∅" -- empty set = null set = diameter, U+2205 ISOamso
nabla ---- "∇" -- nabla = backward difference, U+2207 ISOtech
isin ---- "∈" -- element of, U+2208 ISOtech
notin ---- "∉" -- not an element of, U+2209 ISOtech
ni ---- "∋" -- contains as member, U+220B ISOtech

should there be a more memorable name than 'ni'?
prod ---- "∏" -- n-ary product = product sign, U+220F ISOamsb

prod is NOT the same character as U+03A0 'greek capital letter pi' though the same glyph might be used for both
sum ---- "∑" -- n-ary sumation, U+2211 ISOamsb

sum is NOT the same character as U+03A3 'greek capital letter sigma' though the same glyph might be used for both
minus ---- "−" -- minus sign, U+2212 ISOtech
lowast ---- "∗" -- asterisk operator, U+2217 ISOtech
radic ---- "√" -- square root = radical sign, U+221A ISOtech
prop ---- "∝" -- proportional to, U+221D ISOtech
infin ---- "∞" -- infinity, U+221E ISOtech
ang ---- "∠" -- angle, U+2220 ISOamso
and ---- "∧" -- logical and = wedge, U+2227 ISOtech
or ---- "∨" -- logical or = vee, U+2228 ISOtech
cap ---- "∩" -- intersection = cap, U+2229 ISOtech
cup ---- "∪" -- union = cup, U+222A ISOtech
int ---- "∫" -- integral, U+222B ISOtech
there4 ---- "∴" -- therefore, U+2234 ISOtech
sim ---- "∼" -- tilde operator = varies with = similar to, U+223C ISOtech

tilde operator is NOT the same character as the tilde, U+007E, although the same glyph might be used to represent both
cong ---- "≅" -- approximately equal to, U+2245 ISOtech
asymp ---- "≈" -- almost equal to = asymptotic to, U+2248 ISOamsr
ne ---- "≠" -- not equal to, U+2260 ISOtech
equiv ---- "≡" -- identical to, U+2261 ISOtech
le ---- "≤" -- less-than or equal to, U+2264 ISOtech
ge ---- "≥" -- greater-than or equal to, U+2265 ISOtech
sub ---- "⊂" -- subset of, U+2282 ISOtech
sup ---- "⊃" -- superset of, U+2283 ISOtech

note that nsup, 'not a superset of, U+2283' is not covered by the Symbol font encoding and is not included. Should it be, for symmetry? It is in ISOamsn
nsub ---- "⊄" -- not a subset of, U+2284 ISOamsn
sube ---- "⊆" -- subset of or equal to, U+2286 ISOtech
supe ---- "⊇" -- superset of or equal to, U+2287 ISOtech
oplus ---- "⊕" -- circled plus = direct sum, U+2295 ISOamsb
otimes ---- "⊗" -- circled times = vector product, U+2297 ISOamsb
perp ---- "⊥" -- up tack = orthogonal to = perpendicular, U+22A5 ISOtech
sdot ---- "⋅" -- dot operator, U+22C5 ISOamsb

dot operator is NOT the same character as U+00B7 middle dot

Miscellaneous Technical
lceil ---- "⌈" -- left ceiling = apl upstile, U+2308 ISOamsc
rceil ---- "⌉" -- right ceiling, U+2309 ISOamsc
lfloor ---- "⌊" -- left floor = apl downstile, U+230A ISOamsc
rfloor ---- "⌋" -- right floor, U+230B ISOamsc
lang ---- "〈" -- left-pointing angle bracket = bra, U+2329 ISOtech

lang is NOT the same character as U+003C 'less than' or U+2039 'single left-pointing angle quotation mark'
rang ---- "〉" -- right-pointing angle bracket = ket, U+232A ISOtech

rang is NOT the same character as U+003E 'greater than' or U+203A 'single right-pointing angle quotation mark'

Geometric Shapes
loz ---- "◊" -- lozenge, U+25CA ISOpub

Miscellaneous Symbols
spades ---- "♠" -- black spade suit, U+2660 ISOpub

black here seems to mean filled as opposed to hollow
clubs ---- "♣" -- black club suit = shamrock, U+2663 ISOpub
hearts ---- "♥" -- black heart suit = valentine, U+2665 ISOpub
diams ---- "♦" -- black diamond suit, U+2666 ISOpub
ensp ---- " " -- en space, U+2002 ISOpub
emsp ---- " " -- em space, U+2003 ISOpub
thinsp ---- " " -- thin space, U+2009 ISOpub
zwnj ---- "‌" -- zero width non-joiner, U+200C NEW RFC 2070
zwj ---- "‍" -- zero width joiner, U+200D NEW RFC 2070
lrm ---- "‎" -- left-to-right mark, U+200E NEW RFC 2070
rlm ---- "‏" -- right-to-left mark, U+200F NEW RFC 2070
ndash ---- "–" -- en dash, U+2013 ISOpub
mdash ---- "—" -- em dash, U+2014 ISOpub
lsquo ---- "‘" -- left single quotation mark, U+2018 ISOnum
rsquo ---- "’" -- right single quotation mark, U+2019 ISOnum
sbquo ---- "‚" -- single low-9 quotation mark, U+201A NEW
ldquo ---- "“" -- left double quotation mark, U+201C ISOnum
rdquo ---- "”" -- right double quotation mark, U+201D ISOnum
bdquo ---- "„" -- double low-9 quotation mark, U+201E NEW
dagger ---- "†" -- dagger, U+2020 ISOpub
Dagger ---- "‡" -- double dagger, U+2021 ISOpub
permil ---- "‰" -- per mille sign, U+2030 ISOtech
lsaquo ---- "‹" -- single left-pointing angle quotation mark, U+2039 ISO proposed

lsaquo is proposed but not yet ISO standardized
rsaquo ---- "›" -- single right-pointing angle quotation mark, U+203A ISO proposed

rsaquo is proposed but not yet ISO standardized
euro ---- "€" -- euro sign, U+20AC NEW