Asch may refer to:
In People:
- Frank Asch (born 1946), American writer
- Moe Asch (1905–1986), founder of Folkways Records, son of Sholem Asch
- Nathan Asch (1902–1964), American writer
- Peter Asch (born 1948), American water polo player
- Ricardo Asch (born 1947), Argentinian endocrinologist
- Roland Asch (born 1950), German race car driver
- Sholem Asch (1880–1957), Polish Yiddish writer
- Solomon Asch (1907–1996), US psychologist
- Paul Friedrich August Ascherson, German botanist, known by the author abbreviation "Asch"
In Places:
- Aš, Czech Republic
- Asch (Netherlands), a village
Other:
- Asch the Bloody, a character in Tales of the Abyss
- American Society of Church History
- American Society of Clinical Hypnosis