- This article is about the town in Ireland. For other uses see Roscommon (disambiguation).
Vorlage:Infobox Irish Place Roscommon (Ros Comáin in Irish) is the county town of County Roscommon in the Republic of Ireland.
This busy market town once had a hangwoman called Lady Betty – as well as a Dominican Friary, founded in 1253 by Felim O'Connor, King of Connacht (see Abbeys and priories in the Republic of Ireland). Roscommon Castle, built in 1269, is an Anglo-Norman fortress.