Trevor Brennan born 22nd September 1973 is a former Rugby player for Barnhall, Bective Rangers, St Marys College RFC, Leinster, Stade Toulousain and Ireland; being capped 13 times. He played either in the second row or as a flanker.

Trevor captained St Mary's College RFC to their AIB League title in 2000. He subsequently went on to play in three back to back European Cup finals as part of the Stade Toulousain team, with two wins (Perpingnan 2003, Stade Français 2004) and one defeat (against Wasps 2004).

Brennan made his debut for the senior Ireland team in a 13-37 defeat against South Africa on June 13 1998 and went on to make 13 test appearances, including the 1999 Rugby World Cup. Trevor described Ratoath as just like Barnhall!!