Irwin \i-rwin, ir-win\ as a boy's name is of Old English origin, and the meaning of Irwin is "boar friend". Author Irwin Shaw; clown Bill Irwin.

Irwin has 5 variant forms: Erwin, Erwinn, Erwyn, Irwinn and Irwyn.

Baby names that sound like Irwin are Arwin and Orwin.