Kenneth William Penner (April 24, 1896 – May 28, 1959) was a Major League Baseball pitcher who played for two seasons.

He pitched for the Cleveland Indians in 1916 and the NL-Pennant winning Chicago Cubs in 1929; he did not appear in the World Series.

In between his two major league seasons, he played in the minor leagues for 28 seasons (1913 - 1943); he recorded a career record of 330-284 (.537 win pct) and a 3.67 ERA over 5,571 innings.

He managed several minor league teams between 1934 and 1944, compiling a record of 437-636 (.407) and one pennant; he notably the Louisville Colonels of the American Association and the Bellingham Chinooks where he led them to the 1938 Western International League Pennant.

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