Leonard Preston Gilmore [Meow] (November 3, 1917 – February 18, 2011) was an American pitcher in Major League Baseball who appeared in one game for the Pittsburgh Pirates in the 1944 season.

Gilmore expected to be drafted during World War II but was found to be physically unfit for service.

[2] On the last day of the 1944 season, he got the opportunity to start the second game of a doubleheader against the Philadelphia Phillies at Shibe Park.

Gilmore was credited with the loss, as he allowed seven earned runs on 13 hits, without walks or strikeouts in eight innings of work.

[2] Following his baseball career, Gilmore worked for the Oklahoma City Fire Department, retiring as a captain in 1970.