John Blennerhassett (1769–1794)

John Blennerhassett (1769 – 6 July 1794) was an Anglo-Irish politician.

Blennerhassett was the son of William Blennerhassett and Catherine Johnson, and the great-grandson of John Blennerhassett. He was educated at Trinity College Dublin, graduating with a master's in 1792. Between 1790 and his death in 1794 Blennerhassett sat in the Irish House of Commons as the Member of Parliament for County Kerry. He was unmarried when he died.