Bristol have confirmed 21 players are leaving following their unsuccessful Championship play-off campaign.
Ex-captain Iain Grieve and England U20 skipper Callum Braley head the list.
Tristan Roberts, Redford Pennycook, Bryan Rennie, Will Davis, Sammy Speight, Ollie Hayes, Steve Uren, Bruce Douglas, Adam D'Arcy and Rupert Freestone have also been released.
Bristol had already confirmed George Watkins, Adam Hughes and Ruki Tipuna were joining other clubs.
Bristol reached the Championship final this year, after finishing top of the table by eight points, but failed to beat London Welsh over two legs.