The RaboDirect PRO12 (formerly the Magners League) Fixtures for 2012/13 are detailed here.
| Date | Time | Home | Score | Away | Venue | Round 1 |
| 06/09/2013 | 19.05 | Scarlets | 19-42 | Leinster Rugby | Parc y Scarlets |
| 06/09/2013 | 19.15 | Newport Gwent Dragons | 15-8 | Ulster Rugby | Rodney Parade |
| 06/09/2013 | 19.35 | Glasgow Warriors | 22-15 | Cardiff Blues | Scotstoun Stadium |
| 07/09/2013 | 17.00 | Connacht Rugby | 25-16 | Zebre | Sportsground |
| 07/09/2013 | 19.15 | Munster Rugby | 34-23 | Edinburgh Rugby | Musgrave Park |
| 07/09/2013 | 19.30 | Benetton Treviso | 19-24 | Ospreys | Stadio Monigo | Round 2 |
| 13/09/2013 | 19.05 | Ulster Rugby | 12-13 | Glasgow Warriors | Ravenhill |
| 13/09/2013 | 19.05 | Cardiff Blues | 21-10 | Connacht Rugby | Arms Park |
| 13/09/2013 | 19.30 | Zebre | 21-43 | Munster Rugby | Stadio XXV Aprile |
| 13/09/2013 | 19.45 | Edinburgh Rugby | 16-13 | Newport Gwent Dragons | Murrayfield |
| 14/09/2013 | 18.15 | Leinster Rugby | 29-29 | Ospreys | Royal Dublin Society |
| 14/09/2013 | 18.30 | Scarlets | 26-10 | Benetton Treviso | Parc y Scarlets |
| Round 3 | |||||
| 20/09/2013 | 19.05 | Newport Gwent Dragons | 23-16 | Scarlets | Rodney Parade |
| 20/09/2013 | 19.30 | Cardiff Blues | 25-30 | Zebre | Arms Park |
| 20/09/2013 | 19.35 | Glasgow Warriors | 12-6 | Leinster Rugby | Scotstoun Stadium |
| 20/09/2013 | 20.30 | Benetton Treviso | 29-19 | Munster Rugby | Stadio Monigo |
| 21/09/2013 | 18.30 | Ospreys | 44-10 | Edinburgh Rugby | Liberty Stadium |
| 21/09/2013 | 18.45 | Connacht Rugby | 7-18 | Ulster Rugby | Sportsground | Round 4 |
| 27/09/2013 | 19.05 | Ulster Rugby | 32-13 | Benetton Treviso | Ravenhill |
| 27/09/2013 | 19.30 | Zebre | 17-24 | Glasgow Warriors | Stadio XXV Aprile |
| 27/09/2013 | 19.35 | Edinburgh Rugby | 9-22 | Scarlets | Murrayfield |
| 27/09/2013 | 19.35 | Leinster Rugby | 34-20 | Cardiff Blues | Royal Dublin Society |
| 28/09/2013 | 17.00 | Connacht Rugby | 26-43 | Ospreys | Sportsground |
| 28/09/2013 | 18.45 | Munster Rugby | 23-9 | Newport Gwent Dragons | Musgrave Park | Round 5 |
| 04/10/2013 | 19.05 | Ospreys | 12-18 | Ulster Rugby | Liberty Stadium |
| 04/10/2013 | 19.15 | Newport Gwent Dragons | 30-7 | Zebre | Rodney Parade |
| 04/10/2013 | 20.30 | Benetton Treviso | 23-3 | Connacht Rugby | Stadio Monigo |
| 05/10/2013 | 18.30 | Scarlets | 12-17 | Glasgow Warriors | Parc y Scarlets |
| 05/10/2013 | 18.45 | Munster Rugby | 19-15 | Leinster Rugby | Thomond Park |
| 06/10/2013 | 14.05 | Cardiff Blues | 29-12 | Edinburgh Rugby | Arms Park | Round 6 |
| 25/10/2013 | 19.05 | Ulster Rugby | 39-21 | Cardiff Blues | Ravenhill |
| 25/10/2013 | 19.30 | Zebre | 16-16 | Scarlets | Stadio XXV Aprile |
| 25/10/2013 | 19.35 | Glasgow Warriors | 6-13 | Munster Rugby | Scotstoun Stadium |
| 25/10/2013 | 19.45 | Edinburgh Rugby | 20-13 | Benetton Treviso | Murrayfield |
| 26/10/2013 | 18.45 | Leinster Rugby | 16-13 | Connacht Rugby | Royal Dublin Society |
| 27/10/2013 | 14.30 | Ospreys | 40-17 | Newport Gwent Dragons | Liberty Stadium | Round 7 |
| 01/11/2013 | 19.05 | Newport Gwent Dragons | 19-23 | Leinster Rugby | Rodney Parade |
| 01/11/2013 | 19.45 | Edinburgh Rugby | 25-23 | Zebre | Murrayfield |
| 02/11/2013 | 14.30 | Cardiff Blues | 17-13 | Benetton Treviso | Arms Park |
| 02/11/2013 | 17.00 | Connacht Rugby | 12-19 | Glasgow Warriors | Sportsground |
| 02/11/2013 | 18.30 | Scarlets | 17-9 | Ulster Rugby | Parc y Scarlets |
| 02/11/2013 | 19.15 | Munster Rugby | 12-6 | Ospreys | Thomond Park | Round 8 |
| 22/11/2013 | 19.05 | Ulster Rugby | 41-17 | Edinburgh Rugby | Ravenhill |
| 22/11/2013 | 19.35 | Glasgow Warriors | 8-23 | Newport Gwent Dragons | Scotstoun |
| 23/11/2013 | 14.30 | Ospreys | 30-20 | Zebre | Liberty Stadium |
| 23/11/2013 | 17.00 | Connacht Rugby | 21-24 | Scarlets | Sportsground |
| 23/11/2013 | 18.30 | Cardiff Blues | 10-31 | Munster Rugby | Arms Park |
| 24/11/2013 | 15.00 | Benetton Treviso | 20-21 | Leinster Rugby | Stadio Monigo | Round 9 |
| 29/11/2013 | 19.05 | Ospreys | 16-28 | Glasgow Warriors | Liberty Stadium |
| 29/11/2013 | 19.15 | Newport Gwent Dragons | 14-18 | Munster Rugby | Rodney Parade |
| 29/11/2013 | 19.45 | Edinburgh Rugby | 43-10 | Connacht Rugby | Murrayfield |
| 30/11/2013 | 15.00 | Zebre | 11-19 | Ulster Rugby | Stadio XXV Aprile |
| 30/11/2013 | 17.00 | Benetton Treviso | 26-26 | Cardiff Blues | Stadio Monigo |
| 30/11/2013 | 19.15 | Leinster Rugby | 36-19 | Scarlets | Royal Dublin Society | Round 10 |
| 20/12/2013 | 19.05 | Cardiff Blues | 19-22 | Ospreys | Arms Park |
| 20/12/2013 | 19.05 | Ulster Rugby | 13-6 | Zebre | Ravenhill |
| 20/12/2013 | 19.35 | Edinburgh Rugby | 11-6 | Leinster Rugby | Murrayfield |
| 20/12/2013 | 19.35 | Glasgow Warriors | P-P | Benetton Treviso | Scotstoun Stadium |
| 21/12/2013 | 17.00 | Connacht Rugby | 14-11 | Newport Gwent Dragons | Sportsground |
| 21/12/2013 | 19.15 | Munster Rugby | 16-10 | Scarlets | Musgrave Park | Round 11 |
| 26/12/2013 | 14.05 | Scarlets | 6-10 | Ospreys | Parc y Scarlets |
| 26/12/2013 | 15.05 | Edinburgh Rugby | 16-20 | Glasgow Warriors | Murrayfield |
| 26/12/2013 | 17.00 | Newport Gwent Dragons | 22-16 | Cardiff Blues | Rodney Parade |
| 27/12/2013 | 19.15 | Munster Rugby | 22-16 | Connacht Rugby | Thomond Park |
| 28/12/2013 | 15.00 | Benetton Treviso | 20-15 | Zebre | Stadio Monigo |
| 28/12/2013 | 18.45 | Leinster Rugby | 19-6 | Ulster Rugby | Royal Dublin Society | Round 12 |
| 01/01/2014 | 14.05 | Cardiff Blues | 21-13 | Dragons | Arms Park |
| 01/01/2014 | 18.05 | Glasgow Warriors | P-P | Edinburgh Rugby | Scotstoun |
| 03/01/2014 | 19.05 | Ulster Rugby | 29-19 | Munster Rugby | Ravenhill |
| 03/01/2014 | 19.15 | Ospreys | 17-12 | Scarlets | Liberty Stadium |
| 04/01/2014 | 15.00 | Zebre | 14-12 | Bennetton Treviso | Stadio XXV Aprile |
| 04/01/2014 | 19.15 | Connacht Rugby | 8-16 | Leinster Rugby | Sportsground | Round 13 |
| 07/02/2014 | 14.05 | Ulster Rugby | 10-7 | Ospreys | Ravenhill |
| 08/02/2014 | 14.00 | Bennetton Treviso | 33-41 | Scarlets | Stadio Monigo |
| 08/02/2014 | 19.15 | Munster Rugby | 54-13 | Cardiff Blues | Thomond Park |
| 09/02/2014 | 14.00 | Glasgow Warriors | 8-6 | Connacht Rugby | Scotstoun |
| 09/02/2014 | 18.00 | Zebre | 8-31 | Leinster Rugby | Stadio XXV Aprile | Round 14 |
| 14/02/2014 | 19.45 | Leinster Rugby | 31-19 | Dragons | RDS |
| 15/02/2014 | 17.00 | Connacht Rugby | 11-7 | Edinburgh Rugby | Sportsground |
| 15/02/2014 | 18.30 | Cardiff Blues | 20-27 | Glasgow Warriors | Arms Park |
| 15/02/2014 | 18.45 | Munster Rugby | 36-8 | Zebre | Musgrave Park |
| 16/02/2014 | 16.00 | Ospreys | 75-7 | Bennetton Treviso | Liberty Stadium |
More fixtures to follow once TV schedules have been announced.