Pietsch is a German surname. It may refer to:
- Bill Pietsch (1935âÂÂ2004), American politician and businessman
- Charles Francis Pietsch (1844âÂÂ1920), American German-language newspaper publisher
- Coral Wong Pietsch (born 1947), American brigadier general
- Gustav Pietsch (1893âÂÂ1975), German captain, resistance fighter, and politician
- Hans Pietsch (Go player) (1968âÂÂ2003), German Go player
- Hans Pietsch (1907âÂÂ1967) German mathematician and cryptographer
- Janine Pietsch (born 1982), German Olympian backstroke swimmer
- Johannes Pietsch (born 2001), Austrian singer
- Ludwig Pietsch (1824âÂÂ1911), German painter, art critic, and writer
- Paul Pietsch (1911âÂÂ2012), German racing driver and magazine publisher
- Sara Mohr-Pietsch (born 1980), British music broadcaster
- Theodore Wells Pietsch I (1869âÂÂ1930), American architect
- Theodore Wells Pietsch II (1912âÂÂ1993), American automobile stylist and industrial designer
- Theodore Wells Pietsch III (born 1945), American evolutionary biologist
- Vonnie Pietsch (born 1936), American politician