Frank Pruitt Lockhart (April 8, 1881 – August 25, 1949) was an American diplomat who served for many years in China.

[1] After two years, he moved to Washington, D.C., where he worked as a private secretary to Morris Sheppard, then serving as a member of the United States Senate.

[2] In 1914, Lockhart joined the United States Department of State as assistant chief of the Division of Far Eastern Affairs, eventually rising to chief of the division.

Lockhart was appointed Consul-General in Shanghai, in 1939 serving until December 7, 1941, when the Consulate was occupied at the beginning of the Pacific War.

[6] They had a son, Frank Pruitt Lochhart Jr.[7] and a daughter, Maurine.