St Mirin's Academy was a Catholic senior secondary school for boys founded in 1922 in Paisley, Scotland, and which closed in 1976.

The school was dedicated to St Mirin, the patron saint of the town and of the Diocese of Paisley.

The original buildings were in East Buchanan Street next to St Mirin's Church.

[3][4] Neil MacKinnon, the school's longest serving rector (1948–1975), died on 7 May 2009, aged 99.

[5] On 24 April 2010, the former St Mirin's Academy building, then part of the Reid Kerr College complex, was badly damaged by fire.