| Date: | 13–19 February |
| Edition: | 40th |
| Category: | ATP World Tour 500 |
| Prize Money: | €1,207,500 |
| Draw: | 32S/16D |
| Location: | Rotterdam, Netherlands |
| Venue: | Rotterdam Ahoy |
| Surface: | Hardcourt / Indoor |
| Champs: | Roger Federer[1] |
| Champd: |  Michaël Llodra /  Nenad Zimonjić[2] |
The 2012 ABN AMRO World Tennis Tournament was a men's tennis tournament played on indoor hard courts. It was the 40th edition of the event known as the ABN AMRO World Tennis Tournament, and was part of the ATP World Tour 500 series of the 2012 ATP World Tour. It took place at the Rotterdam Ahoy indoor sporting arena in Rotterdam, Netherlands, from 13 February through 19 February 2012. First-seeded Roger Federer won the singles title.
The field was led by 16-time Grand Slam champion Roger Federer, 2010 Wimbledon finalist Tomáš Berdych and 2009 US Open champion Juan Martín del Potro.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Roger Federer | 3 | 1 | ||
 Czech Republic | Tomáš Berdych | 7 | 2 | |
 Argentina | Juan Martín del Potro | 10 | 3 | |
 Spain | Feliciano López | 15 | 4 | |
| France | Richard Gasquet | 16 | 5 | |
 Ukraine | Alexandr Dolgopolov | 18 | 6 | |
| Serbia | Viktor Troicki | 22 | 7 | |
| Spain | Marcel Granollers | 27 | 8 |
The following players received wildcards into the main draw:
The following players received entry from the qualifying draw:
Robin Söderling (mononucleosis)
Marcos Baghdatis (left calf injury) Sergiy Stakhovsky (viral illness)
Mikhail Youzhny (foot injury)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Belarus | Max Mirnyi |  Canada | Daniel Nestor | 6 | 1 | |
| Michaël Llodra | Nenad Zimonjić | 11 | 2 | |||
| Sweden | Robert Lindstedt | Horia Tecău | 18 | 3 | ||
 India | Mahesh Bhupathi | Rohan Bopanna | 27 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2012 ABN AMRO World Tennis Tournament – Singles. Roger Federer defeated Juan Martín del Potro 6–1, 6–4
See main article: 2012 ABN AMRO World Tennis Tournament – Doubles. Michaël Llodra / Nenad Zimonjić defeated Robert Lindstedt / 
Horia Tecău 4–6, 7–5, [16–14]
