2012 Aegon Championships

The 2012 Aegon Championships (also known traditionally as the Queen's Club Championships) was a men's tennis tournament played on outdoor grass courts. It was the 110th edition of the Queen's Club Championships and was part of the ATP World Tour 250 series of the 2012 ATP World Tour. It took place at the Queen's Club in London, United Kingdom, in the club's 126th year between 11 and 17 June.

Marin Čilić won the tournament after his opponent in the final, David Nalbandian was disqualified for kicking a lines official.

Seeds

 * 1 Seedings are based on the rankings of May 28, 2012

Other entrants
The following players received wildcards into the singles main draw:
 * 🇬🇧 Jamie Baker
 * 🇬🇧 Liam Broady
 * 🇬🇧 Oliver Golding
 * 🇦🇺 Lleyton Hewitt
 * 🇬🇧 James Ward

The following players received entry from the qualifying draw:
 * 🇧🇪 Ruben Bemelmans
 * 🇫🇷 Kenny de Schepper
 * 🇰🇿 Evgeny Korolev
 * 🇺🇸 Bobby Reynolds

The following player received a Lucky Loser spot:
 * 🇺🇸 Ryan Sweeting

Withdrawals

 * 🇦🇷 Juan Martín del Potro
 * 🇨🇴 Alejandro Falla
 * 🇺🇸 Mardy Fish
 * 🇫🇷 Richard Gasquet
 * 🇦🇷 Leonardo Mayer
 * Stanislas Wawrinka

Seeds

 * Rankings are as of May 28, 2012

Other entrants
The following pairs received wildcards into the doubles main draw: The following pair received entry as alternates:
 * 🇬🇧 Jamie Delgado / 🇬🇧 Ken Skupski
 * 🇦🇺 Lleyton Hewitt / 🇺🇸 Andy Roddick
 * 🇧🇪 Steve Darcis / 🇧🇪 Olivier Rochus

Withdrawals

 * 🇦🇷 Leonardo Mayer (family emergency)

Singles

 * Marin Čilić defeated 🇦🇷 David Nalbandian 6–7(3–7), 4–3 def.

Doubles

 * 🇧🇾 Max Mirnyi / 🇨🇦 Daniel Nestor defeated 🇺🇸 Bob Bryan / 🇺🇸 Mike Bryan, 6–3, 6–4