2011–12 Pro12
The 2011–12 Pro12 League was the 11th season of the rugby union competition originally known as the Celtic League, the second with its current 12-team format, and also the first with RaboDirect as title sponsor.
The twelve teams competing were the four Irish provinces, Munster, Leinster, Connacht and Ulster; two Scottish regions, Edinburgh Rugby and Glasgow Warriors; four Welsh regions, Cardiff Blues, Newport Gwent Dragons, Ospreys and Scarlets; and two Italian clubs Aironi and Benetton Treviso.
The competition was won by Ospreys, who defeated Leinster in the final 31–30.
Teams
| Team | Coach | Captain | Stadium | Capacity |
 Aironi |  Rowland Phillips | Quintin Geldenhuys | Stadio Luigi Zaffanella | 6,000 |
| Benetton Treviso |  Franco Smith | Antonio Pavanello | Stadio Comunale di Monigo | 6,700 |
| Cardiff Blues | Gareth Baber Justin Burnell |  Paul Tito | Cardiff City Stadium | 26,828 |
 Connacht |  Eric Elwood | Gavin Duffy | Galway Sportsgrounds | 7,500 |
 Edinburgh | Michael Bradley | Greig Laidlaw | Murrayfield Stadium | 67,144 |
| Glasgow Warriors | Sean Lineen | Alastair Kellock | Firhill Stadium | 10,887 |
| Leinster | Josef Schmidt | Leo Cullen | RDS Arena Aviva Stadium | 18,500 51,700 |
| Munster |  Tony McGahan | Paul O'Connell | Thomond Park Musgrave Park | 26,500 9,251 |
| Newport Gwent Dragons | Darren Edwards | Tom Willis | Rodney Parade | 11,676 |
| Ospreys | Scott Johnson | Alun Wyn Jones | Liberty Stadium | 20,532 |
| Scarlets | Nigel Davies | Matthew Rees | Parc y Scarlets | 14,870 |
| Ulster | Brian McLaughlin | Johann Muller | Ravenhill | 12,300 |
Table
Fixtures
All times are local.Round 1
Round 2
Round 3
Round 4
Round 5
Round 6
Round 7
Round 8
Round 9
Round 10
Round 11
1872 Cup 1st round
Round 12
1872 Cup 2nd round
Round 13
Round 14
Round 15
Round 16
Round 17
Rearranged fixtures
Round 18
Round 19
Round 20
Round 21
Round 22
Playoffs
Semi-finals
----Final
Leading scorers
Note: Flags to the left of player names indicate national team as has been defined under IRB eligibility rules, or primary nationality for players who have not yet earned international senior caps. Players may hold one or more non-IRB nationalities.Top points scorers
Top try scorers
Broadcasting rights
broadcasts live RaboDirect Pro12 matches in Australia.Setanta Sports Asia broadcast live RaboDirect Pro12 matches in Asia also.