List of South Korean films of 2009
This is a list of South Korean films that received a domestic theatrical release in 2009.
Box office
The highest-grossing South Korean films released in 2009, by domestic box office gross revenue, are as follows:| Rank | Title | Distributor | Domestic gross |
| 1 | Tidal Wave | CJ Entertainment | $65,849,594 |
| 2 | Take off | Showbox | $46,786,488 |
| 3 | CJ Entertainment | $35,833,732 | |
| 4 | My Girlfriend Is An Agent | Lotte Cultureworks | $21,439,017 |
| 5 | Running Turtle | Showbox | $16,756,015 |
| 6 | Mother | CJ Entertainment | $16,245,295 |
| 7 | Old Partner | IndieStory | $15,503,466 |
| 8 | Good Morning President | CJ Entertainment | $15,089,690 |
| 9 | Closer to Heaven | CJ Entertainment | $12,665,384 |
| 10 | Thirst | CJ Entertainment | $12,074,516 |