Jack Thomas Lazorko (born March 30, 1956) is an American former professional baseball pitcher.

He played five seasons at the major league level for the Milwaukee Brewers, Seattle Mariners, Detroit Tigers and California Angels of Major League Baseball (MLB).

Born in Hoboken, Lazorko grew up in River Edge, New Jersey.

Lazorko played his first professional season with their Rookie league Gulf Coast Astros and Class A-Advanced Daytona Beach Astros in 1978, and his last with the New York Mets' Triple-A Norfolk Tides in 1993.

Lazorko, a former amateur hockey goalie, is probably best known for a highlight reel of his fielding which was featured on This Week in Baseball for many years.