Rhett Adam Warrener (born January 27, 1976) is a Canadian former professional ice hockey defenceman who played over 700 games in the National Hockey League (NHL) for the Florida Panthers, Buffalo Sabres and Calgary Flames between 1995 and 2008.
He was a member of the Canadian national junior team that won a gold medal at the 1996 World Junior Championship.
Warrener retired in 2009 after missing a full season due to a shoulder injury.
He briefly remained with the Flames as a scout before turning to broadcasting.
He co-hosts the morning radio show on Calgary's Sportsnet 960 radio.
Warrener was born in Shaunavon, Saskatchewan, but grew up in Frontier, Saskatchewan.