In the pack, Dave Heffernan and Ireland international Nathan White are introduced to the front row, while Ultan Dillane comes in to partner Andrew Browne, playing his 100th PRO12 game, in the second row.
Galway man Eoin McKeon returns to the back row to link up with captain John Muldoon and the season's top try scorer Nepia Fox-Matamua.
From the bench, USA international outhalf AJ MacGinty could make his first appearance in a Connacht jersey, after the Dubliner joined the province last month.
Commenting on the team selection and the upcoming game, head coach Pat Lam said:
"We've made a few changes this week, with Robbie and Nathan back for us but also some guys returning from injury. This is only game four of the 16-game run so it's a long way to go and we're going to need players feeling as fresh as possible each week.
"Robbie will start in the 15 shirt for us where he has a lot of experience from his earlier days at Connacht. Obviously Tiernan has done a great job for us at fullback since the start of the season but his move to wing for this game means we can keep that continuity in our centre partnership for this week.
"We always have tough, physical battles when it comes to Treviso and we've always had to work hard against them. They have the ability to pile on the pressure and it's up to us to counter that by being disciplined to stay in our systems and structures.
"We're delighted to be at home again and we want to sign off this block of PRO12 games with another win at the Sportsground."
Connacht 15 - 9: Robbie Henshaw, Tiernan O'Halloran, Bundee Aki, Craig Ronaldson, Matt Healy, Jack Carty, John Cooney
1 - 8: Denis Buckley, Dave Heffernan, Nathan White, Ultan Dillane, Andrew Browne, John Muldoon (captain), Nepia Fox-Matamua, Eoin McKeon
Replacements: Tom McCartney, Finlay Bealham, Rodney Ah You, Aly Muldowney, Eoghan Masterson, Kieran Marmion, AJ MacGinty, Darragh Leader
Unavailable / Injured: JP Cooney, Ben Marshall, Quinn Roux, Jake Heenan, Api Pewhairangi, Dave McSharry, Shane O'Leary, Conor Finn, Fionn Carr, Danie Poolman.
Connacht v Benetton Treviso
Friday November 6th
At the Sportsground, 7:30pm
Non-televised
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