2009–10 Premiership Rugby
| 2009–10 Guinness Premiership | |
|---|---|
| Countries | England |
| Date | 4 September 2009 – 29 May 2010 |
| Champions | Leicester Tigers (9th title) |
| Runners-up | Saracens |
| Relegated | Worcester Warriors |
| Matches played | 135 |
| Attendance | 1,900,177 (average 14,075 per match) |
| Tries scored | 427 (average 3.2 per match) |
| Top point scorer | Jimmy Gopperth (Newcastle) (219 points) |
| Top try scorer | Chris Ashton (Northampton) (16 tries) |
| Official website | |
| www | |
The 2009–10 Guinness Premiership was the 23rd season of the top flight English domestic rugby union competition and the fifth and final one to be sponsored by Guinness. The reigning champions entering the season were Leicester Tigers, who had claimed their eighth title after defeating London Irish in the 2009 final. Leeds Carnege had been promoted as champions from the 2008–09 National Division One at the first attempt.