Charles Russell Hargreaves (December 14, 1896 in Trenton, New Jersey – May 9, 1979 in Neptune, New Jersey) was a professional baseball player who played catcher from 1923 to 1930.

In 423 games over eight seasons, Hargreaves posted a .270 batting average (321-for-1188) with 96 runs, 4 home runs, 139 RBIs and 77 bases on balls. He recorded a .977 fielding percentage as a catcher.

He later managed the Keokuk Pirates in the Central Association in 1949.