Irwin (given name)
Irwin is a given name, and may refer to:
- Irwin Allen, American television and film producer
- Irwin Barker, Canadian comedian and writer
- Irwin Caplan, American cartoonist
- Irwin Chusid, American record producer, journalist, and radio personality
- Irwin Cohen, American Olympic judoka
- Irwin Corey, American comic and film actor
- Irwin Cotler, former minister of justice and Attorney General of Canada
- Irwin Donenfeld, American comic book publishing executive
- Irwin Edman, American philosopher and professor of philosophy
- Irwin Freedberg, American professor of dermatology at New York University
- Irwin Glusker, American art director
- Irwin Goodman, Finnish singer
- Irwin Hasen, American cartoonist
- Irwin Hoffman, American conductor
- Irwin M. Jacobs, American electrical engineer
- Irwin Kra, American mathematician
- Irwin Kula, American rabbi and author
- Irwin Lachman, American engineer
- Irwin Lampert, Canadian judge
- Irwin McIntosh, Canadian politician
- Irwin S. Moise, American lawyer and judge
- Irwin Molasky, American real estate developer and philanthropist
- Irwin Rose, American biologist, co-recipient of the 2004 Nobel Prize in Chemistry
- Irwin Schiff, American tax protester
- Irwin Shaw, American playwright, screenwriter and author
- Irwin Silber, American writer
- Irwin Stelzer, American economist and business columnist
- Irwin Stone, American biochemist, chemical engineer, and author
- Irwin Thomas, Australian singer
- Irwin Weiner, Chicagoan mobster
- Irwin Welber, American electrical engineer
- Irwin Winkler, American film producer and director
- Irwin Yablans, American film producer and distributor
- Irwin (Billy and Mandy), a fictional character from The Grim Adventures of Billy and Mandy
- Irwin Lapsey, a character from the 1981 musical satire film Shock Treatment
- Irwin R. Schyster, professional wrestling IRS agent gimmick portrayed by wrestler Mike Rotunda