- Irwandia Lakasek
- Irwell
- Irwell (Uusi-Seelanti)
- Irwin
- Irwindale
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- Irwinton
- Irwin (Idaho)
- Irwin (Illinois)
- Irwin (Iowa)
- Irwin (Pennsylvania)
- Irwin Allen
- Irwin Bazelon
- Irwin Chanin
- Irwin Corey
- Irwin Cotler
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- Irwin Gage
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- Irwin Hasen
- Irwin Hoffman
- Irwin Keyes
- Irwin Kostal
- Irwin LaRocque
- Irwin M.Wall
- Irwin McIntosh
- Irwin R.Blacker
- Irwin Rose
- Irwin Russell
- Irwin Shapiro
- Irwin Shaw
- Irwin Stone
- Irwin Unger
- Irwin Winkler
- Irwon (Soulin metro)