otto stuppacher (3 march 1947 – 13 august 2001) was a racing driver from vienna, austria. he competed in hill-climbs and sports car racing before entering 3 formula one grands prix with the öasc racing team in , with a tyrrell 007. he was refused entry to the 1976 austrian grand prix, along with teammate karl oppitzhauser, despite trying to raise a petition from the other teams.