Rúscaigh

Rúscaigh (Irish for 'marsh') may refer to several places on the island of Ireland:


 * A townland in the parish of Aghadowey, County Londonderry; see List of townlands in County Londonderry
 * A townland in the parish of Drumachose, County Londonderry; see List of townlands in County Londonderry
 * Rousky, a village in County Tyrone, Northern Ireland
 * Roosky, a village in counties Leitrim and Roscommon, Ireland