Frank Kellert

Frank William Kellert (July 6, 1924 in Oklahoma City – November 19, 1976 in Oklahoma City, Oklahoma) was a Major League Baseball first baseman. He was an alumnus of Oklahoma State University.

Signed by the St. Louis Cardinals as an amateur free agent in 1949, Kellert would make his Major League Baseball debut with the St. Louis Browns on April 18, 1953, and appear in his final game on September 29, 1956.