Mansfield College, Oxford is a constituent college of the University of Oxford in Oxford, England. The college was founded in Birmingham in 1838 as a college for Nonconformist students. It moved to Oxford in 1886 and was renamed Mansfield College after George Mansfield and his sister Elizabeth. In 1995 a royal charter was awarded giving the institution full college status. The college grounds are located on Mansfield Road, near the centre of Oxford.

As of December 2023, the college comprises approximately 245 undergraduates, 145 graduates and 40 visiting students. There are around 40 fellows.

Helen Mountfield, a barrister and legal scholar, has been the principal of the college since 2018.