The 2012 Grand Prix Hassan II was a professional men's tennis tournament played on outdoor clay courts. It was the 28th edition of the tournament which was part of the ATP World Tour 250 category 2012 ATP World Tour. It took place in Casablanca, Morocco between 9 April and 15 April 2012. Third-seeded Pablo Andújar won the singles title.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Florian Mayer | 20 | 1 | ||
 Ukraine | Alexandr Dolgopolov | 22 | 2 | |
 Spain | Pablo Andújar | 39 | 3 | |
 Uzbekistan | Denis Istomin | 43 | 4 | |
| Donald Young | 46 | 5 | ||
| Robin Haase | 53 | 6 | ||
| Spain | Albert Ramos | 54 | 7 | |
 Italy | Fabio Fognini | 57 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Malek Jaziri (dizziness)| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
 Czech Republic | František Čermák |  Slovakia | Filip Polášek | 42 | 1 | |
| Eric Butorac | Bruno Soares | 55 | 2 | |||
| Spain | David Marrero | Marcelo Melo | 63 | 3 | ||
| Italy | Daniele Bracciali | Fabio Fognini | 73 | 4 |
The following pairs received wildcards into the doubles main draw:
See main article: 2012 Grand Prix Hassan II – Singles. Pablo Andújar defeated Albert Ramos 6–1, 7–6(7–5)
See main article: 2012 Grand Prix Hassan II – Doubles. Dustin Brown / 
Paul Hanley defeated Daniele Bracciali / Fabio Fognini, 7–5, 6–3
