55 Korean films of 2018 ranked by box office. #1: Along with the Gods: The Last 49 Days ($92.5 million).
| # | Film | Lead | Director | Budget | Box office | Multiple |
|---|---|---|---|---|---|---|
| 1 | Along with the Gods: The Last 49 Days | Kim Yong-hwa | ₩20 billion | $92.5 million | ||
| 2 | The Great Battle | Kim Gwang-sik | ₩21.5 billion | $41.5 million | ||
| 3 | Intimate Strangers | Lee Jae-gyu | ₩5.8 billion | $39.7 million | ||
| 4 | Believer | Hae yeong I | $39.2 million | |||
| 5 | The Spy Gone North | Yoon Jong-bin | $14 million | $38.5 million | 2.75x | |
| 6 | Dark Figure of Crime | Tae-Gyun Kim | ₩8 billion | $29.5 million | ||
| 7 | Keys to the Heart | $25.8 million | ||||
| 8 | Money | Noo-ri Park | $25.1 million | |||
| 9 | The Witch: Part 1. The Subversion | Park Hoon-jung | $5.5 million | $24.4 million | 4.44x | |
| 10 | The Accidental Detective 2 | Lee Eon-hee | $24.3 million | |||
| 11 | On Your Wedding Day | Lee Seok-geun | $21.1 million | |||
| 12 | Gonjiam: Haunted Asylum | Jung Bum-shik | $2.2 million | $21 million | 9.55x | |
| 13 | Burn the Stage: The Movie | Park Jun-soo | $20.3 million | |||
| 14 | Be With You | Lee Jang-hoon | $19.7 million | |||
| 15 | The Witness | $19.2 million | ||||
| 16 | Detective K: Secret of the Living Dead | Kim Seok-yoon | $18.6 million | |||
| 17 | Fengshui | Park Hee-gon | ₩10 billion | $16 million | ||
| 18 | The Negotiation | Jong-suk Lee | ₩10 billion | $15.6 million | ||
| 19 | The Drug King | Woo Min-ho | ₩15 billion | $14.5 million | ||
| 20 | Rampant | Kim Sung-hoon | ₩17 billion | $12.4 million | ||
| 21 | Unstoppable | Kim Min-ho | $11.6 million | |||
| 22 | Door Lock | Lee Kwon | $11.5 million | |||
| 23 | Little Forest | Im Sun-rye | $1.4 million | $11.1 million | 7.93x | |
| 24 | Swing Kids | Kang Hyeong-cheol | ₩15 billion | $10.9 million | ||
| 25 | Golden Slumber | No Dongseok | $12.8 million | $10.7 million | 0.84x | |
| 26 | The Vanished | $10 million | ||||
| 27 | Champion | Kim Yong-wan | $8.7 million | |||
| 28 | Burning | Lee Chang-dong | $8.1 million | |||
| 29 | Psychokinesis | Yeon Sang-ho | $7 million | |||
| 30 | Illang: The Wolf Brigade | Kim Ji-woon | $17 million | $6.2 million | 0.36x | |
| 31 | Love+Sling | Dae-Woong Kim | $5.8 million | |||
| 32 | High Society | Hyuk Byun | $5.6 million | |||
| 33 | Monstrum | Jong-ho Huh | $5.5 million | |||
| 34 | Miss Baek | Lee Ji-won | $5.4 million | |||
| 35 | The Haunted House: The Secret of the Cave | $4.5 million | ||||
| 36 | Night of 7 Years | Choo Chang-min | $3.7 million | |||
| 37 | Sunset in My Hometown | Lee Joon-ik | $3.6 million | |||
| 38 | The Soul-Mate | Cho Owen | $3.3 million | |||
| 39 | Heung-boo: The Revolutionist | Cho Geun-hyeon | $3.1 million | |||
| 40 | The Villagers | Lim Jin-soon | $2.8 million | |||
| 41 | Herstory | Min Kyu-dong | $2.2 million | |||
| 42 | Stand by me | $2.1 million | ||||
| 43 | Cheese in the Trap | Kim Je-young | $1.8 million | |||
| 44 | The Discloser | Hong Ki-seon | $1.6 million | |||
| 45 | House of Hummingbird | Kim Bora | $1 million | |||
| 46 | Gate | Shin Jai-ho | $763,899 | |||
| 47 | Unfinished | $562,160 | ||||
| 48 | The Wrath | Yoo Yeong-seon | $470,685 | |||
| 49 | Happy Together | $176,044 | ||||
| 50 | Ode to the Goose | Zhang Lu | $67,821 | |||
| 51 | Revenger | Lee Seung-Won | $50,000 | |||
| 52 | Hotel by the River | Hong Sang-soo | $45,728 | |||
| 53 | Beautiful Days | Jero Yun | $45,395 | |||
| 54 | Grass | Hong Sang-soo | $29,976 | |||
| 55 | Wretches | Baek Joon Kim | $25,951 |
Figures are shown in the currency they were reported in (Wikipedia, Wikidata or TMDB); no conversion.