Irwinn \i-rwi-nn, ir-winn\ as a boy's name is a variant of Irwin (Old English), and the meaning of Irwinn is "boar friend".

The baby name Irwinn sounds like Erwinn, Arwin, Erwynn, Erwin, Irwyn, Orwynn and Orwin. Other similar baby names are Corwinn, Irvin, Irvine, Kerwinn, Merwinn and Norwinn.