| Croatian Football Cup | |
| Year: | 2002–03 |
| Country: | Croatia |
| Num Teams: | 48 |
| Defending Champions: | Dinamo Zagreb |
| Champions: | Hajduk Split (4th title) |
| Runner-Up: | Uljanik Pula |
| Matches: | 54 |
| Goals: | 200 |
| Top Goal Scorer: | Igor Žiković (7) |
| Prevseason: | 2001–02 |
| Nextseason: | 2003–04 |
The 2002–03 Croatian Football Cup was the twelfth edition of Croatia's football knockout competition. Dinamo Zagreb were the defending champions, and the cup was won by Hajduk Split.
| Round | Main date | Number of fixtures | width=100 | Clubs ! | New entries this round |
|---|---|---|---|---|---|
| 26–31 August 2002 | 16 | 48 → 32 | none | ||
| 11 September 2002 | 16 | 32 → 16 | 16 | ||
| 6 November – 4 December 2002 | 8 | 16 → 8 | none | ||
| 5 and 19 March 2003 | 8 | 8 → 4 | none | ||
| 16 and 23 April 2003 | 4 | 4 → 2 | none | ||
| 21 May and 4 June 2003 | 2 | 2 → 1 | none | ||
| width=40 | Tie no | width=150 | Home team | width=80 | Score | width=150 | Away team |
|---|---|---|---|---|---|---|---|
| 1 | Auto Mikolaj | 2–13 | Pomorac | ||||
| 2 | Istra Pula | 2–1 | Metalac Osijek | ||||
| 3 | Bedem Ivankovo | 1–3 | Novalja | ||||
| 4 | Polet Martin na Muri | 0–2 | Omladinac Sloga | ||||
| 5 | Oriolik | 6–0 | Omladinac Jurketinci | ||||
| 6 | TŠK Topolovac | 3–2 | Podravac | ||||
| 7 | Sava Strmec | 0–2 | Pag | ||||
| 8 | Pitomača | 0–3 | Grafičar Vodovod | ||||
| 9 | Uljanik Pula | 11–1 | Ivančica | ||||
| 10 | Virovitica | 5–0 | Mladost Ždralovi | ||||
| 11 | Vodice | 0–4 | Uskok Klis | ||||
| 12 | Kamen Ingrad | 1–0 | Marsonia | ||||
| 13 | Graničar Županja | 1–0 | Sloga Maris Jazavica | ||||
| 14 | Dugo Selo | 1–0 | Bjelovar | ||||
| 15 | Oroslavlje | 1–3 | Croatia Sesvete | ||||
| 16 | Hajduk Vela Luka | 3–0 | Ilovac Karlovac |
| width=40 | Tie no | width=150 | Home team | width=80 | Score | width=150 | Away team |
|---|---|---|---|---|---|---|---|
| 1 | Orijent | 0–2 | Kamen Ingrad | ||||
| 2 | Grafičar Vodovod | 1–0 | Rijeka | ||||
| 3 | Istra Pula | 2–3 | Pomorac | ||||
| 4 | Hajduk Vela Luka | 0–6 | Dinamo Zagreb | ||||
| 5 | Pag | 2–7 | Hajduk Split | ||||
| 6 | Oriolik | 0–9 | Osijek | ||||
| 7 | Virovitica | 1–6 | Varteks | ||||
| 8 | Omladinac Sloga | 2–6 | NK Zagreb | ||||
| 9 | Graničar Županja | 0–3 | Cibalia | ||||
| 10 | Uskok Klis | 0–2 | Slaven Belupo | ||||
| 11 | Uljanik Pula | 2–1 | Hrvatski Dragovoljac | ||||
| 12 | Dugo Selo | 1–2 (aet) | Zadar | ||||
| 13 | Novalja | 1–2 | Šibenik | ||||
| 14 | Dubrovnik | 0–2 | Belišće | ||||
| 15 | Croatia Sesvete | 0–3 | Inker Zaprešić | ||||
| 16 | TŠK Topolovac | 1–0 (aet) | Segesta |
| width=40 | Tie no | width=150 | Home team | width=80 | Score | width=150 | Away team |
|---|---|---|---|---|---|---|---|
| 1 | Hajduk Split | 1–0 | TŠK Topolovac | ||||
| 2 | Pomorac | 1–0 | Slaven Belupo | ||||
| 3 | Cibalia | 1–0 | Zadar | ||||
| 4 | Osijek | 3–1 | Inker Zaprešić | ||||
| 5 | Uljanik Pula | 6–0 | Grafičar Vodovod | ||||
| 6 | Šibenik | 1–2 (aet) | NK Zagreb | ||||
| 7 | Belišće | 0–4 | Varteks | ||||
| 8 | Kamen Ingrad | 2–1 (aet) | Dinamo Zagreb |
|}
Uljanik Pula won 5–1 on aggregate.----Hajduk Split won 2–0 on aggregate.
See main article: 2003 Croatian Football Cup final.
Hajduk Split won 5–0 on aggregate.