St Martin-in-the-Fields is a church in London, England.

St Martin-in-the-Fields, and similar, may also refer to:

St Martin-in-the-Fields (painting), an 1888 painting by William Logsdail St Martin-in-the-Fields (parish), a civil parish abolished in 1922 St Martin-in-the-Fields High School for Girls Academy of St Martin in the Fields, a chamber orchestra St Martin-in-the-Fields, a church in Finham, Coventry

See also Saint-Martin-des-Champs (disambiguation)