James Cosgrave (died 18 April 1936; surname also spelt as Cosgrove) was an Irish nationalist politician, and also one of the few parliamentarians who served in the House of Commons of the United Kingdom and in Dáil Éireann.
Born in Skehanagh, Eyrecourt, County Galway, he was returned unopposed as Member of Parliament for East Galway in the 4 December 1914 by-election for the Irish Parliamentary Party on the death of John Roche.
Cosgrave remarried in 1923 and moved to Dublin, where he died at his residence at Baggot House, 91 Lower Baggot St. He is buried in Quansboro, Killimor, County Galway.
- "Mr. James Cosgrove, Skehanagh, Eyrecourt", Connacht Tribune, 25 April 1936.
|Parliament of the United Kingdom|
| MP for East Galway
| Independent Teachta Dála for Galway