The 2010 PBZ Zagreb Indoors was an ATP men's tennis tournament played on hard courts indoors. It was the 8th overall edition of the Zagreb Indoors, and was part of the ATP World Tour 250 series of the 2010 ATP World Tour. It took place in Zagreb, Croatia from 1 February through 7 February 2010. First-seeded Marin Čilić won the singles title.
| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Marin Čilić | 14 | 1 | ||
| Ivan Ljubičić | 24 | 2 | ||
 Austria | Jürgen Melzer | 27 | 3 | |
 Serbia | Viktor Troicki | 30 | 4 | |
| Serbia | Janko Tipsarević | 36 | 5 | |
| Benjamin Becker | 38 | 6 | ||
| Ivo Karlović | 39 | 7 | ||
 Kazakhstan | Evgeny Korolev | 53 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
See main article: 2010 PBZ Zagreb Indoors – Singles. Marin Čilić defeated Michael Berrer, 6 - 4, 6 - 7(5–7), 6 - 3
See main article: 2010 PBZ Zagreb Indoors – Doubles. Jürgen Melzer / Philipp Petzschner defeated 
Arnaud Clément / 
Olivier Rochus, 3 - 6, 6 - 3, [10–8]
