Charles D. Gaither (November 27, 1860 – March 29, 1947) was a United States Army officer and police commissioner.

He was active in the Maryland Army National Guard in the late 19th and early 20th centuries and in the Baltimore Police Department in the 1920s and 1930s.

He was born on the family's Oakland Manor 1,800 acres (730 ha) farm two miles south of Ellicott City.

[4] In 1888, Gaither served as a Democratic member of the Maryland House of Delegates, representing Baltimore's 2nd district.

That same year, Gaither was in charge of an American rifle team that won an international tournament in Buenos Aires.

[1] Maryland Governor Albert Ritchie appointed Gaither as the commissioner of the Baltimore Police Department, and he served in the position from 1920 to May 17, 1937.

[1] Following his retirement, Gaither managed his real estate interests in Baltimore and his 123 acres (50 ha) farm in Howard County.