Fletcher Manson "Sled" Allen (August 23, 1886 – October 16, 1959) was a professional baseball catcher and manager.

Allen also played in the minor leagues with the Class-C Enid Railroaders (1908–1909), the Class-A Louisville Colonels (1910) and the Class-B Houston Buffaloes (1912–1916).

During his minor league career, Allen compiled a .210 batting average with 465 hits, 63 doubles, 15 triples and five home runs in 748 games.

In 1908, Allen began his professional baseball career with the Class-C Enid Railroaders of the Western Association.

With the Railroaders that season, Allen batted .147 with 47 hits, five doubles, one triple and one home run in 109 games played.

During his time with the Browns, Allen batted .130 with three runs, three hits, one double and one walk in 14 games played.

After leaving the Browns, Allen joined the minor league Class-A Louisville Colonels for the rest of the 1910 season.

[citation needed] Allen was hired as the manager of the Class-D Lubbock Hubbers of the Panhandle-Pecos Valley League during their inaugural season in 1922.

[citation needed] In 1928, Allen was one of three managers who led the Class-A Amarillo Texans of the Western League.

[2] Allen, who resided in Lubbock, Texas, in the 1940s, converted a church into a nightclub where he promoted boxing and wrestling events.