St Margaret's Church, King's Lynn, entitled King's Lynn Minster since 2011, is a Grade I listed parish church in the Church of England in King's Lynn. The building dates from the 12th to 15th centuries, with major restoration of the nave in the 18th century. Five of its ten bells and its organ also date back to the mid-18th century.

Minster is an honorific title given to particular churches in England, most notably York Minster in Yorkshire, Westminster Abbey in London and Southwell Minster in Nottinghamshire.