| Korean FA Cup | |
| Year: | 2003 |
| Other Titles: | 2003 Hana Bank FA Cup |
| Country: | South Korea |
| Champions: | Jeonbuk Hyundai Motors |
| Count: | 2 |
| Runner-Up: | Jeonnam Dragons |
| Top Goal Scorer: | Edmilson Sin Byung-ho Kim Dae-wook Lee Sang-il (4 goals each)[1] |
| Player: | Edmilson[2] |
| Prevseason: | 2002 |
| Nextseason: | 2004 |
The 2003 Korean FA Cup, known as the 2003 Hana Bank FA Cup, was the eighth edition of the Korean FA Cup.
Group A of Seoul.
Group B of Seoul.
Group C of Seoul.
Group of southwest Gyeonggi.
Group of northern Gyeonggi.
Group of eastern Gyeonggi and Gangwon.
Group of Daejeon, Chungbuk and Jeonbuk.
Group of Daegu, Ulsan and Gyeongbuk.
The supplementary round was contested between second-placed team in Group 9 and the seventh best team among the other eight second-placed teams.
Sinu Club advanced to the preliminary round.
Seoul City directly advanced to the round of 32, and Soongsil University qualified for the playoff round.
Seoul City withdrew from the competition.