14 Korean films of 2003 ranked by box office. #1: My Tutor Friend ($17.7 million).
| # | Film | Lead | Director | Budget | Box office | Multiple |
|---|---|---|---|---|---|---|
| 1 | My Tutor Friend | Kyeong-hyeong Kim | $17.7 million | |||
| 2 | Oldboy | Park Chan-wook | $3 million | $17.6 million | 5.87x | |
| 3 | Memories of Murder | Bong Joon-ho | $2.8 million | $12 million | 4.29x | |
| 4 | My Wife Is a Gangster 2 | Jeong Heung-sun | $2.5 million | $11 million | 4.40x | |
| 5 | Spring, Summer, Fall, Winter... and Spring | Kim Ki-duk | $9.5 million | |||
| 6 | Double Agent | Hyeon-jeong Kim | $4.3 million | $8.4 million | 1.95x | |
| 7 | The Classic | Kwak Jae-yong | $7.6 million | |||
| 8 | Untold Scandal | E J-yong | $5 million | $5.8 million | 1.15x | |
| 9 | Madeleine | Park Gwang-chun | $2.1 million | |||
| 10 | A Tale of Two Sisters | Kim Ji-woon | $3.7 million | $1 million | 0.27x | |
| 11 | Blue | Lee Jung-gook | $5 million | $997,715 | 0.20x | |
| 12 | Sword in the Moon | Kim Ui-seok | $189,634 | |||
| 13 | Into the Mirror | Kim Sung-ho | $3 million | $70,277 | 0.02x | |
| 14 | Save the Green Planet! | Jang Joon-hwan | $3 million | $15,516 | 0.01x |
Figures are shown in the currency they were reported in (Wikipedia, Wikidata or TMDB); no conversion.