Pyotr "Petr" Vasilievich Schastlivy (Russian: Пётр Васильевич Счастливый; born April 18, 1979) is a Russian professional ice hockey player, who is currently a free agent having last played for HSC Csíkszereda.

Schastlivy was the 4th round pick (101st overall) of the Ottawa Senators in the 1998 NHL Entry Draft.

He spent the 2000–01 and 2001–02 seasons playing with both the Senators and Griffins, before being traded to the Mighty Ducks of Anaheim in February 2004, in exchange for Todd Simpson.

Since leaving the NHL, he has played with Lokomotiv Yaroslavl, Khimik Moscow Oblast, CSKA Moscow, Salavat Yulaev Ufa, Torpedo Nizhny Novgorod, Dinamo Riga and HC Sochi of the Kontinental Hockey League.

This biographical article relating to a Russian ice hockey winger is a stub.