Caleb Clarke Magruder Jr. (January 9, 1839 – June 2, 1923) was a politician and lawyer from Maryland.

Magruder served in the Maryland House of Delegates, representing Prince George's County, in 1867.

[1][2][4] In 1881, Magruder was the Democratic nominee for Maryland Senate, but lost to his cousin Richard H.

[1] Magruder was elected clerk of the Maryland Court of Appeals on November 5, 1907, for a six-year term.

They had five sons, Caleb C. III, Thomas N., M. Hampton, Arthur H. S. and Ernest Pendleton.