Oesch is a surname of Swiss German origin, being a cognate of the surname Esch, a German habitational surname meaning "ash". Notable people with the surname include:
- Karl Lennart Oesch (1892–1978), Finnish general
- Tom Oesch (born 1980), Swiss filmmaker
See also
edit- Oesch's die Dritten, a Yodel Volksmusik family group from Switzerland
- Eash