Ish may refer to:
- Chazon Ish, sobriquet of Rabbi Avraham Yeshayahu Karelitz
- the Sanskrit for "lord", see Ishvara
- Ishan Morris, Canadian singer and actor
- Ish Kabibble (1908–1994), comedian and cornet player
- ...ish (audio drama), Doctor Who audio drama
- Ian Smale, also known as Ishmael, Christian songwriter
- ...Ish (album) a 1989 album by the Australian rock band 1927
- a compilation album released by Some Bizzare
ISH also stands for:
- International Students House, London
- In situ hybridization
- International School of Hamburg
- International School of The Hague
- International School of Havana
- Isolated systolic hypertension