Penttilä is the surname of the following people Eero Akaan-Penttilä (born 1943), Finnish politician Eino Penttilä (1906–1982), Finnish javelin thrower Erkki Penttilä (1932–2005), Finnish wrestler Johan Penttilä (1891–1967), Finnish wrestler Risto E. J. Penttilä (born 1959), Finnish politician Sinikka Luja-Penttilä (1924–2023), Finnish politician and writer Timo Penttilä (1931–2011), Finnish architect
See also 15224 Penttilä, asteroid