Claremorris is a town in County Mayo in the west of Ireland, at the junction of the N17 and the N60 national routes. As of the 2017, it was the fastest growing town in the county, having seen a 31% increase in population between 2006 and 2011 and a 23% increase between 2002 and 2006. Between the 2016 census and the 2022 census, the population of Claremorris grew further, from 3,687 to 3,857 inhabitants.

The N17 road is a national primary road in Ireland, and is part of the Atlantic Corridor route. It begins in County Galway and ends in County Sligo. On 27 September 2017 the southern, Tuam–Galway, section was upgraded to motorway status and designated M17.