Joseph Anthony Lis (August 15, 1946 – October 17, 2010), was an American professional baseball first baseman, who played in Major League Baseball (MLB) for the Philadelphia Phillies (1970–1972), Minnesota Twins (1973–1974), Cleveland Indians (1974–1976), and Seattle Mariners (1977).

During his playing days, Lis stood 6 feet (1.83 m) tall, weighing 175 pounds (79 kg); he batted and threw right-handed.

Lis entered the majors in 1970 with the Philadelphia Phillies, playing for them three years before joining the Minnesota Twins (1973–1974), Cleveland Indians (1974–1976), and Seattle Mariners (1977).

His most productive MLB season was 1973, with Minnesota, when he posted career-high numbers in homers (nine), runs batted in (RBI) (25), and games played (103), as a replacement for injured Harmon Killebrew.

[5] Following his playing career, Lis coached youth baseball for over 30 years, including in the Newburgh American Legion from 1984 to 2002.