| Year: | 2011 |
| Team Colour: |
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| Font Colour: |
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| League: | Super League |
| League Rank: | 12th |
| League Wins: | 6 |
| League Draws: | 1 |
| League Losses: | 20 |
| Points For: | 524 |
| Points Against: | 951 |
| Cup: | Challenge Cup |
| Cup Result: | Fifth round |
| Cup Wins: | 1 |
| Cup Losses: | 1 |
| Ceo Title: | Chairman |
| Coach Title: | Head coach |
| Avg Attendance: | 3131 |
| High Attendance: | 4423 |
| Top Tries: | Luke Dorn - 15 |
| Top Goals: | Luke Gale - 82 |
| Top Points: | Luke Gale - 198 |
| Pattern La1: | 000000 |
| Pattern B1: | _harlequinsrbgb |
| Pattern Ra1: | 000000 |
| Pattern So1: | _hoops_black_red |
| Leftarm1: | 000000 |
| Rightarm1: | 000000 |
| Shorts1: | 000000 |
| Socks1: | 00AD43 |
| Pattern B2: | _whitequarters23 |
| Pattern So2: | _3whitehoops |
| Body2: | F6ADC6 |
| Rightarm2: | F6ADC6 |
| Socks2: | F6ADC6 |
| List: | yes |
| List Link: | List of London Broncos seasons |
The 2011 Harlequins Rugby League season was the thirty-second in the club's history and their sixteenth season in the Super League. The club was coached by Rob Powell, competing in Super League XVI, finishing in 12th place and reaching the Fifth round of the 2011 Challenge Cup.
It was their fifth consecutive season at the Stoop. They exited the Challenge Cup with a defeat to the Leeds Rhinos.