Tulsk is a village in County Roscommon, Ireland, on the N5 national primary road between Strokestown and Bellanagare. It sits at around 19 km north of Roscommon town.

County Roscommon is a county in Ireland. It is part of the province of Connacht and the Northern and Western Region. It is the 11th largest Irish county by area and 26th most populous. Its county town and largest town is Roscommon. Roscommon County Council is the local authority for the county. The population of the county was 69,995 as of the 2022 census.