Adolph James Liska (July 10, 1906 – November 30, 1998) was an American baseball pitcher who played five years in Major League Baseball and 14 for the Portland Beavers of the Pacific Coast League.

Born in Nebraska, Liska taught elementary school and pitched briefly for the University of Nebraska before joining the minor league Lincoln Links of the Western League in 1926.

He joined the Philadelphia Phillies in 1932 where he played two seasons, compiling a 17–18 overall record with an ERA of 3.87.

In 1945, at the age of 39, he won 20 games, leading the Beavers to the best record in the league.

He managed the minor league Salem Senators for the 1950 season and then retired from baseball and worked in the United States Postal Service.