Rossport (; also known as
Rosdoagh) is a
Gaeltacht village and
townland in northwest
County Mayo, Ireland. It is within the barony of
Erris and parish of
Kilcommon. It lies close to the mouth of
Broadhaven Bay on the headland where the confluence of three rivers meet (the Muingnabo, the Glenamoy and the Gweedaney) flowing into
Sruth Fada Conn Bay. Its area is .