| Season: | 2002–03 |
| Matches: | 30 |
| Nextseason: | 2003–04 |
2002–03 Croatian First League was the 12th season of the Croatian handball league since its independence and the second season of the First League format.
| Club | P | W | D | L | G+ | G− | Dif | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Zagreb | 30 | 29 | 0 | 1 | 997 | 749 | 248 | 58 | |
| 2. | Metković Jambo | 30 | 23 | 0 | 7 | 872 | 799 | 73 | 46 | |
| 3. | Medveščak Infosistem Zagreb | 30 | 18 | 2 | 10 | 867 | 792 | 75 | 38 | |
| 4. | Bjelovar | 30 | 17 | 2 | 11 | 816 | 792 | 24 | 36 | |
| 5. | Zamet Crotek Rijeka | 30 | 16 | 2 | 12 | 805 | 762 | 43 | 34 | |
| 6. | Varteks di Caprio Varaždin | 30 | 16 | 1 | 13 | 744 | 727 | 17 | 33 | |
| 7. | Umag | 30 | 15 | 1 | 14 | 801 | 782 | 19 | 31 | |
| 8. | Moslavina Kutina | 30 | 15 | 1 | 14 | 856 | 847 | 9 | 31 | |
| 9. | Perutnina PIPO IPC Čakovec | 30 | 13 | 2 | 15 | 846 | 843 | 23 | 28 | |
| 10. | Osijek 2000 | 30 | 12 | 3 | 15 | 758 | 787 | -29 | 27 | |
| 11. | Crikvenica | 30 | 13 | 1 | 16 | 778 | 840 | -72 | 27 | |
| 12. | Dubrava Zagreb | 30 | 11 | 1 | 18 | 759 | 806 | -47 | 23 | |
| 13. | Ekol Ivančica Ivanec | 30 | 11 | 0 | 19 | 719 | 846 | -127 | 22 | |
| 14. | Split | 30 | 9 | 2 | 19 | 750 | 811 | -61 | 20 | |
| 15. | Karlovac | 30 | 7 | 1 | 22 | 767 | 847 | -80 | 15 | |
| 16. | Đakovo | 30 | 5 | 1 | 24 | 759 | 864 | -105 | 11 |
| Club | P | W | D | L | G+ | G− | Dif | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1. | Đakovo | 5 | 5 | 0 | 0 | 177 | 135 | 42 | 10 | First League 2003-04 |
| 2. | Split | 5 | 4 | 0 | 1 | 135 | 126 | 9 | 8 | |
| 3. | Karlovac | 5 | 3 | 0 | 2 | 150 | 134 | 16 | 6 | |
| 4. | Cetinka Trilj | 5 | 1 | 0 | 4 | 140 | 153 | -13 | 2 | |
| 5. | Prelog | 5 | 1 | 0 | 4 | 139 | 160 | -21 | 2 | |
| 6. | Maksimir Princ Zagreb | 5 | 1 | 0 | 4 | 144 | 175 | -31 | 2 |