| Clubname: | Thirlmere Roosters |
| Ground: | Thirlmere Sportsground |
| Mgrtitle: | Secretary |
| Season: | 2020 |
| Position: | Premiers |
| Web: | on facebook |
| Colours: | Maroon Yellow White |
| Premierships: | 7 |
| Premiershipyears: | 2001, 2003, 2006, 2008, 2019, 2020, 2023 |
| Minorpremierships: | 4 |
| Minorpremiershipyears: | 2006, 2008, 2019, 2020 |
| Runnerups: | 5 |
| Runnerupyears: | 1996, 2007, 2009, 2012, 2017 |
The Thirlmere Roosters Rugby League Football Club is an Australian rugby league football club based in Thirlmere, New South Wales, formed in 1976. They currently play in the Group 6 Rugby League competition.
Thirlmere, with its maroon and gold strip were a 1914 foundation club in the Berrima District Rugby League competition, becoming a 1st division team of the Group 6 Rugby League in 1946.The junior teams are the Thirlmere-Tahmoor Roosters.