The FIM released the official entry list of riders for the 2011 World Superbike series, as follows:-

2 Leon Camier GBR (Aprilia RSV4 Factory) Aprilia Alitalia Racing Team
3 Max Biaggi ITA (Aprilia RSV4 Factory) Aprilia Alitalia Racing Team
4 Jonathan Rea GBR (Honda CBR1000RR) Castrol Honda
7 Carlos Checa ESP (Ducati 1098R) Althea Racing
11 Troy Corser AUS (BMW S1000 RR) BMW Motorrad Motorsport
17 Joan Lascorz ESP (Kawasaki ZX-10R) Kawasaki Racing Team
33 Marco Melandri ITA (Yamaha YZF R1) Yamaha World Superbike Team
41 Noriyuki Haga JPN (Aprilia RSV4 Factory) PATA Racing Team Aprilia
44 Roberto Rolfo ITA (Kawasaki ZX-10R) Team Pedercini
50 Sylvain Guintoli FRA (Ducati 1098R) Team Effenbert - Liberty Racing
52 James Toseland GBR (BMW S1000 RR) BMW Motorrad Italia SBK Team
58 Eugene Laverty IRL (Yamaha YZF R1) Yamaha World Superbike Team
66 Tom Sykes GBR (Kawasaki ZX-10R) Kawasaki Racing Team Superbike
77 Chris Vermeulen AUS (Kawasaki ZX-10R) Kawasaki Racing Team
84 Michel Fabrizio ITA (Suzuki GSX-R1000) Team Suzuki Alstare
86 Ayrton Badovini ITA (BMW S1000 RR) BMW Motorrad Italia SBK Team
91 Leon Haslam GBR (BMW S1000 RR) BMW Motorrad Motorsport
96 Jakub Smrz CZE (Ducati 1098R) Team Effenbert - Liberty Racing
111 Ruben Xaus ESP (Honda CBR1000RR) Castrol Honda
121 Maxime Berger FRA (Ducati 1098R) Supersonic Racing Team
TBA (Kawasaki ZX-10R) Team Pedercini