Roscommon

County Roscommon (Irish: Contae Ros Comáin) 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 70,259 as of the 2022 census.

Roscommon (Irish: Ros Comáin) is a barony in County Roscommon, Ireland.

Elphin Windmill is a fully restored 18th-century tower mill in Elphin, County Roscommon, viewed as a rare piece of Irish industrial architectural heritage, and possibly the oldest operational windmill in Ireland.

The R369 road is a regional road in Ireland, located in County Roscommon.

Carnfree (Irish Carn Fraoich, Fráech's cairn) is a site south of the village of Tulsk in Roscommon that also lies close to the more celebrated ancient landscape of Rathcroghan. The chief feature here is the bronze-age mound of Carnfree itself, believed to be the cairn of the Connacht warrior Fráech, that was used as an inauguration place up to late medieval times. It also encompasses an area known as Selc featuring Duma Selga (The mound of Selc) and the ecclesiastical site where Saint Patrick baptised the Ui Brian princes of Connacht, who according to the saint's biography may have resided in or administrated from this area.

St Mary's Cathedral, Elphin, is a former cathedral in Ireland.

The National Famine Museum (Irish: Músaem Náisiúnta an Ghorta Mhóir) is located at Strokestown Park, County Roscommon, Ireland. The museum contains records from the time of Ireland's Great Famine of 1845–1852.

Strokestown Gaelic Athletic Association is a Gaelic football and ladies' Gaelic football club based in Strokestown, County Roscommon, Ireland.