Anton Šťastný (born August 5, 1959) is a Slovak former professional ice hockey left winger who played nine seasons with the Quebec Nordiques of the National Hockey League (NHL) from 1980 until 1989.

He was the first player born and trained in Slovakia to be drafted by an NHL team.

He is the brother of Vladimír, Bohumil, Eva, Marián, and Peter Šťastný, and the uncle of Yan Stastny and Paul Stastny (both Peter's sons), all of whom have been involved in ice hockey at a professional level.

Anton's son, Thomas Šťastný, played in Switzerland, last for Martigny in 2015.

Stanislav worked for a state-run company that built hydro-electric dams until 1980 when he retired, and mainly dealt with managing inventory.