Zinn Bertram Beck (September 30, 1885 – March 19, 1981) was an American professional baseball player and manager.

In 290 career MLB games, he had a .226 batting average with 204 hits in 902 at-bats.

In 1919, Beck played for the Vernon Tigers, who won the Pacific Coast League championship.

He managed the Selma Cloverleafs in Selma, Alabama for the last part of the 1928 season, returning for full seasons in 1929 and 1930, winning the Southeastern League pennant that year.

In 1934 he managed the Washington Senators farm team the Chattanooga Lookouts before being replaced by Mule Shirley.