St Muredach's College is an all-boys secondary school on the banks of the River Moy in Ballina, County Mayo, Ireland.

It was founded in 1906 to provide a Catholic education for boys in the Killala Diocese.

The school building, which was designed by William Henry Byrne, is included on the Record of Protected Structures maintained by Mayo County Council.

[7] In 1967, the school's enrolment increased due to the coming of free education nationally.

[6] Around the same time, additional subjects were offered, including mechanical drawing, woodwork and art.