Anyone

any person at all; anybody:
Did anyone see the accident?
Contemporary Examples

There are some native foods which are just not that appealing to anyone who didn’t grow up on them.
Yes, Some of US Really Like Pumpkin Megan McArdle October 16, 2012

A survey by the U of T/Austin said campaign donors are more influential with members of Congress than anyone else.
A Shocking Win for Fat Cats Mark McKinnon, Steve Hildebrand January 20, 2010

Anarchists, and anyone else for that matter, have until May 30 to reply to these and other comments on the FCC website.
On the Eve of the NATO Summit, Is Phone Jamming Coming to Chicago? Tony Doukopil May 15, 2012

The real takeaway, though, was that not just anyone can be a great artist, but anyone can learn to draw.
There’s Nothing Wrong—and a Lot That’s Right—About Copying Other Artists Malcolm Jones January 25, 2014

November 11, 2008 “If anyone young is reading this, go, right this minute, put on a bikini and don’t take it off until you’re 34.”
Our Hottest Stories of 2008 The Daily Beast December 31, 2008

Historical Examples

When you went to Germany after working on the destroyers did anyone ever question you about them over there?
Secret Armies John L. Spivak

Third: We can’t have anyone with us who does not carry his own weight.
Despoilers of the Golden Empire Gordon Randall Garrett

She knows everything about her work, more than anyone else in Hollywood, they say.
Spring Street James H. Richardson

Should anyone in the circle be hit by the bag he takes the place of the center toad.
Games and Play for School Morale Various

He thought that he loved the mother of Anna better than anyone he had ever known.
Little Tony of Italy Madeline Brandeis

pronoun
any person; anybody
(used with a negative or a question) a person of any importance: is he anyone in this town?
(often preceded by just) any person at random; no matter who
n.

Old English, two words, from any + one. Old English also used ænigmon in this sense. One-word form from 1844.