| Copa del Rey | |
| Year: | 2002–03 |
| Other Title: | 101st Spanish; Castilian: Copa del Rey|italic=no |
| Country: | Spain |
| Num Teams: | 81 |
| Champions: | Mallorca |
| Runner-Up: | Recreativo de Huelva |
| Matches: | 111 |
| Goals: | 301 |
| Top Goal Scorer: | Javier Portillo (8) |
| Prevseason: | 2001–02 |
| Nextseason: | 2003–04 |
The 2002–03 Spanish; Castilian: Copa del Rey|italic=no was the 101st staging of the Spanish; Castilian: [[Copa del Rey]]|italic=no.
The competition started on 28 August 2002 and concluded on 28 June 2003 with the final, held at the Martinez Valero in Elche, in which Mallorca lifted the trophy for the first time ever with a 3–0 victory over Recreativo de Huelva.
See main article: 2003 Copa del Rey final.
