Just think of the Emoji block of Unicode. Perhaps the man at U+1F468
or the woman at U+1F469
will suffice, but there are also children, older people, etc. Here’s a list of Emoji People. It still depends on your actual use-case.
If other exotics are no issue, take a look at Egyptian Hieroglyphs. There are lots of human pictograms, like at U+13020
and many others. Another generic (even gender-neutral) pictogram might be the symbol for men’s restrooms at U+1F6B9
, but a charge for restroom use is not desirable. There’s still more, like the pedestrian at U+1F6B6
or the bust in silhouette at U+1F464
.
As comprehensive, yet extensible list:
(Use Ctrl++ or off-site styling to distinguish details.)
Depending on platform, the characters might be rendered surprisingly unresembling:
