Don Flinn (November 17, 1892 – March 9, 1959) played major league baseball for the Pittsburgh Pirates in 1917.

He played just 14 games, all as an outfielder.

He had a .297 batting average.

In 1923, Flinn played for both the Waco Indians and Austin Rangers teams of the Class D level Texas Association and led the league with 22 home runs.

This biographical article relating to an American baseball outfielder born in the 1890s is a stub.