Sir Neville Marriner (born April 15, 1924) is an English conductor and violinist.

Marriner was born in Lincoln and studied at the Royal College of Music and the Paris Conservatoire. He played the violin in the Philharmonia and London Symphony Orchestra and formed the Jacobean Ensemble with Thurston Dart before going to Hancock, Maine, in the United States to study conducting with Pierre Monteux at his school there. In 1959 he founded the Academy of St. Martin-in-the-Fields chamber orchestra and has made many recordings conducting them. He conducted the Minnesota Orchestra from 1979 to 1986 and the Stuttgart Radio Symphony Orchestra from 1986 to 1989. He was knighted in 1985.

Amongst his other recordings are two CDs of British music for Universal Classics with the British cellist Julian Lloyd Webber. These include acclaimed performances of Benjamin Britten's Cello Symphony and Sir William Walton's Cello Concerto.

Neville Marriner is the father of the clarinettist Andrew Marriner, Principal Clarinet of the London Symphony Orchestra.