St Peter's College is a constituent college of the University of Oxford. Located on New Inn Hall Street, Oxford, United Kingdom, it occupies the site of two of the university's medieval halls dating back to at least the 14th century. The modern college was founded by Francis James Chavasse, former Bishop of Liverpool, opened as St Peter's Hall in 1929, and achieved full collegiate status as St Peter's College in 1961. Founded as a men's college, it has been coeducational since 1979.

As of 2023, the college had an estimated financial endowment of £52.8 million.