Fred Thomas (baseball manager)

Frederick L. Thomas was a professional baseball manager.

In June 1887, Thomas was named manager for the Indianapolis Hoosiers of the National League. Thomas, who had front office duties with the team, took over from Watch Burnham after the team got off to a 6–22 start. Thomas had a managerial record of 11–18, before he was replaced by Horace Fogel in July. Accruing a record of 20–49 under Fogel, the 1887 Indianapolis Hoosiers finished the season at 37–89.