John Langston may refer to:
- John Mercer Langston (1829–1897), American abolitionist, attorney, educator, activist, diplomat, and politician, first dean of the law school at Howard University
- John Langston (MP) (c. 1758–1812), English merchant banker and politician, Member of Parliament (MP) 1784–1807
See also
edit- John Lankston, American tenor