Lynne Cantwell (born 27 September 1981) is an Irish rugby union player. 2014 Women's Rugby World Cup. She is Ireland's most capped female player. She played at the 2013 Rugby World Cup Sevens. In 2019, she was on the first panel to determine the World Rugby women's-15s player-of-the-year award with Melodie Robinson, Danielle Waterman, Will Greenwood, Liza Burgess, Fiona Coghlan, Gaëlle Mignot, Jillion Potter, Stephen Jones, and Karl Te Nana.