Petr Sodomka (born 19 May 1947 in Pardubice) is a former Czechoslovak slalom canoeist who competed in the 1960s and the 1970s. He won nine medals at the ICF Canoe Slalom World Championships with five golds (C-1: 1975, 1977; C-1 team: 1967, 1973, 1975), a silver (C-1 team: 1969) and three bronzes (C-1: 1971; C-1 team: 1971, 1977).
Sodomka also finished eighth in the C-1 event at the 1972 Summer Olympics in Munich.