St Pabo's Church, Llanbabo is a medieval church in Llanbabo, in Anglesey, North Wales. Much of the church dates to the 12th century, and it is regarded as a good example of a church of its period that has retained many aspects of its original fabric. The church houses a tombstone slab from the 14th century, depicting a king with crown and sceptre, bearing the name of Pabo Post Prydain, the reputed founder of the church.