Seamie O'Boyle (born 1957/58) was a politician from Sligo who represented the Sligo local electoral area on Sligo County Council from 2014. He won his party's first ever seat outside Leinster. A prominent politician with a national profile, he died suddenly in 2015. O'Boyle was a member of the Local Traveller Accommodation Consultative Committee, the Regional Health Forum West, the Sligo Harbour Advisory Committee, the Sligo Music Fest Company and the Board of The Model. He had also been a member of the Joint Policing Committee.