(NOTE: The following terms pertain to American English)
! Exclamation point
@ "At" sign
# Number sign or Pound sign, depending upon context
& Technically called "ampersand," most folks refer to it as "the 'and' sign"
> "Greater than" sign
< "Lesser than" sign
(Note: Greater than and lesser than apply when these symbols are used in mathematical equations or comparison statements. If they are used in place of bullet points in an article or term paper, they are called "arrow heads.")