St Martin at Oak, Norwich is a Grade I listed redundant parish church in the Church of England in Norwich.

It was rebuilt in 1953 by the architect John Chaplin as a church hall for neighbouring parishes, but this never materialised as the local churches were closed in the 1960s.

After a period of use as a night shelter by the St Martins Housing Trust, the church was transformed into Oak Studios, a rehearsal space for theatre and music groups.

The church purchased an organ dating in 1887 by Norman and Beard.

[3] When the church closed for worship, the organ was transferred to St Bartholomew's Church, Corton, Suffolk.