Coach Michael Bradley said that his side were looking forward to the encounter as they aim to build on their win over the Dragons last time out.
"We always look forward to the games against the other Irish provinces and this one is no different as we head into a crucial part of the season," he said.
Connacht (squad v Leinster): Andrew Browne, Fionn Carr, Sean Cronin, Gavin Duffy, Adrian Flavin, Jamie Hagan, Ian Keatley, Keith Matthews, Mike McCarthy, Mike McComish, Robbie Morris, Frank Murphy, Troy Nathan, Miah Nikora, George Naoupu, Johnny O'Connor, Conor O'Loughlin, Michael Swift, Brian Tuohy, Bernie Upton, Brett Wilkinson, Aidan Wynne.