Bob and Mike Bryan, the two-time defending champions in this event, successfully defended their title. They defeated Mahesh Bhupathi and Leander Paes 6–3, 6–4 in the final. Both Paes and Bhupathi were vying to complete the career Grand Slam.
Lukáš Dlouhý and Leander Paes were the defending champions, but lost in the first round to Martin Damm and Filip Polášek 6–7(7–9), 6–3, 6–4.
Daniel Nestor and Nenad Zimonjić were the defending champions, but lost to Mahesh Bhupathi and Max Mirnyi in the quarterfinals.
Bhupathi and Mirnyi won this tournament, by defeating Mark Knowles and Andy Ram 7–5, 7–5 in the final.
Lukáš Dlouhý and Leander Paes were the defending champions, but chose not to participate together.
Dlouhý competed together with Paul Hanley, however they lost to Jürgen Melzer and Philipp Petzschner in the second round.
Paes partnered up with Mahesh Bhupathi and they won this tournament, defeating Max Mirnyi and Daniel Nestor 6–7(5), 6–2, [10–5] in the final.
Daniel Nestor and Nenad Zimonjić were the defending champions, but decided not to participate together. Nestor partnered Max Mirnyi, while Zimonjić teamed up with Michaël Llodra. Mirnyi and Nestor defeated Zimonjić and Llodra in the semifinals, 7–6(7–4), 7–6(7–5). In the final, they won against Juan Sebastián Cabal and Eduardo Schwank 7–6(7–3), 3–6, 6–4 for their first Grand Slam doubles title as a team.
Bob and Mike Bryan were the defending champions and they reached the final. Michaël Llodra and Nenad Zimonjić defeated them 6–4, 6–7(5–7), [10–5] and won the title.
Bob and Mike Bryan were the defending champions, but lost to Mahesh Bhupathi and Leander Paes in the semifinals.
Jürgen Melzer and Leander Paes were the defending champions but decided not to participate together.
Melzer partnered up with Philipp Petzschner, while Paes played alongside Mahesh Bhupathi. However, neither couple were able to retain the title.
In the final, Max Mirnyi and Daniel Nestor won the title beating Michaël Llodra and Nenad Zimonjić 3–6, 6–1, [12–10].
Bob Bryan and Mike Bryan were the defending champions but lost in the second round to Aisam-ul-Haq Qureshi and Jean-Julien Rojer. Mariusz Fyrstenberg and Marcin Matkowski won the tournament defeating Robert Lindstedt and Horia Tecău 6–3, 6–4 in the final.
John Isner and Sam Querrey were the defending champions but lost in the first round to Jürgen Melzer and Philipp Petzschner.
Marcel Granollers and Marc López won the title defeating Łukasz Kubot and Janko Tipsarević 6–3, 6–2 in the final.
Max Mirnyi and Daniel Nestor were the defending champions and top seeds, and Nestor came into the event as the two-time defending champion.
They successfully defended their title by defeating Bob Bryan and Mike Bryan 6–4, 6–4 in the final.
Casey Dellacqua and Scott Lipsky were the defending champions. Dellacqua chose not to participate this year while Lipsky partnered with Vladimíra Uhlířová, but they were defeated in the first round by Virginie Razzano and Nicolas Devilder.
Sania Mirza and Mahesh Bhupathi won the tournament defeating Klaudia Jans-Ignacik of Poland and Santiago González of Mexico 7–6(7–3), 6–1 in the final.
Michaël Llodra and Nenad Zimonjić were the defending champions, but Llodra chose not to compete this year.
Zimonjić played alongside Paul Hanley, but they lost to Bob and Mike Bryan in the quarterfinals, who won the tournament in the end against Marcel Granollers and Marc López 6–1, 4–6, [12–10].
Mahesh Bhupathi and Leander Paes were the defending champions. However, they chose not to play together. Bhupathi played with Rohan Bopanna and Paes played with Radek Štěpánek
Max Mirnyi and Daniel Nestor were the defending champions but were beaten in the Quarterfinals by Mahesh Bhupathi and Rohan Bopanna.
Leander Paes and Radek Štěpánek won the title, beating Bhupathi and Bopanna in the final by the score of 6–7(7–9), 6–3, [10–5].
Marcel Granollers and Marc López defeated Mahesh Bhupathi and Rohan Bopanna in the final, 7–5, 3–6, [10–3] to win the doubles tennis title at the 2012 ATP World Tour Finals.
Rohan Bopanna and Aisam-ul-Haq Qureshi were the defending champions but decided not to participate together.
Bopanna played alongside Mahesh Bhupathi and successfully defended the title, defeating Qureshi and his partner Jean-Julien Rojer 7–6(8–6), 6–3 in the final.
Mariusz Fyrstenberg and Marcin Matkowski were the defending champions but lost in the second round to Alexander Peya and Bruno Soares.
Bob and Mike Bryan won the title, defeating Peya and Soares in the final, 6–2, 6–3.
Marcel Granollers and Marc López were the defending champions, but lost to Santiago González and Scott Lipsky in the quarterfinals.
Bob Bryan and Mike Bryan won the title, defeating Mahesh Bhupathi and Rohan Bopanna in the final, 6–2, 6–3.
Max Mirnyi and Daniel Nestor were the defending champions, but chose not to compete together. Mirnyi competed with Horia Tecău, but lost in the second round to Michaël Llodra and Nicolas Mahut, while Nestor competed with Robert Lindstedt, losing in the second round to Jonathan Dasnières de Veigy and Florent Serra.
Rohan Bopanna 
Aisam-ul-Haq Qureshi 
Julien Benneteau 
