| 2013 PBZ Zagreb Indoors | |
|---|---|
| Date | 4–10 February |
| Edition | 11th |
| Category | ATP World Tour 250 series |
| Draw | 28S / 16D |
| Prize money | €467,800 |
| Surface | Hard / Indoor |
| Location | Zagreb, Croatia |
| Venue | Dom Sportova |
| Champions | |
| Singles | |
 Marin Čilić | |
| Doubles | |
 Julian Knowle /  Filip Polášek | |
The 2013 PBZ Zagreb Indoors was an ATP tennis tournament played on hard courts indoors. It was the 11th overall edition of the PBZ Zagreb Indoors, and part of the ATP World Tour 250 series of the 2013 ATP World Tour. It took place in Zagreb, Croatia from February 2 through February 10, 2013.