St Colmac Manse is a historic building in St Colmac on the Isle of Bute, Scotland. Dating to around 1835, it was the clergy house for the now-ruined and Category C listed St Colmac's Church, located about 600 feet (180 m) to the east, built around the same time. Both properties are believed to have been built by John Paterson, a "very able builder and skilled mason" of Largs.