Petr Ondrašík (born 8 October 1951 in Brezolupy - Zlín, Czechoslovakia) is a former Czechoslovak international speedway rider who reached the World Final four times. He rode in the United Kingdom for the Wolverhampton Wolves (1980), Eastbourne Eagles (1983) and the Birmingham Brummies (1983).
Petr, the father of former Trelawny Tigers rider Pavel Ondrašík, is now an international referee.