# List of 2018 box office number-one films in South Korea

The following is a list of 2018 box office number-one films in South Korea. When the number-one film in gross is not the same as the number-one film in admissions, both are listed.
| # | Date | Film | Gross | Notes |
| 1 | January 7, 2018 | Along with the Gods: The Two Worlds | US$10.4 million | #1 spot for 3 consecutive weeks |
| 2 | January 14, 2018 | 1987: When the Day Comes | US$8.2 million | Claimed the #1 spot on its third week of release |
| 3 | January 21, 2018 | Maze Runner: The Death Cure | US$7.0 million | Beat new releases Keys to the Heart and Coco |
| 4 | January 28, 2018 | Keys to the Heart | US$5.4 million | With positive reviews from audiences, the film rise to the #1 spot on its second week of release |
| 5 | February 4, 2018 | Psychokinesis | US$3.6 million | |
| 6 | February 11, 2018 | Detective K: Secret of the Living Dead | US$7.3 million | Dominated the weekend box office with 48% revenue share |
| 7 | February 18, 2018 | Black Panther | US$15.8 million | - Dominated the weekend box office with 51% revenue share - Beat Detective K: Secret of the Living Dead and new release Golden Slumber |
| 8 | February 25, 2018 | Black Panther | US$5.7 million | First 2018 release to have topped the box office for 2 consecutive weeks |
| 9 | March 4, 2018 | The Princess and the Matchmaker | US$3.8 million | |
| 10 | March 11, 2018 | The Vanished | US$4.1 million | |
| 11 | March 18, 2018 | Be with You | US$5.4 million | Dominated the weekend box office with 45% revenue share |
| 12 | March 25, 2018 | Pacific Rim Uprising | US$5.2 million | |
| 13 | April 1, 2018 | Gonjiam: Haunted Asylum | US$7.6 million | Beat Ready Player One, and became the first Korean horror film to topped the weekend box office since The Wailing in 2016 |
| 14 | April 8, 2018 | Gonjiam: Haunted Asylum | US$3.9 million | The film topped Box Office by admissions with 513,648 attendance. |
| 14 | April 8, 2018 | Ready Player One | US$4.0 million | The film topped Box Office by gross with US$50,800 higher gross than Gonjiam: Haunted Asylum |
| 15 | April 15, 2018 | Rampage | US$5.0 million | |
| 16 | April 22, 2018 | Rampage | US$3.1 million | |
| 17 | April 29, 2018 | Avengers: Infinity War | US$27.7 million | - Highest-grossing film in South Korea's all-time weekend box office (second by admissions) - Dominated weekend box office with 95% revenue share - Became fastest film to reach 4 million admissions in South Korea's cinema history, and also the first film to reach 1.3 million admissions in a single day screening |
| 18 | May 6, 2018 | Avengers: Infinity War | US$17.1 million | Dominated weekend box office with 75% revenue share |
| 19 | May 13, 2018 | Avengers: Infinity War | US$7.0 million | - Fastest foreign film to reach 10 million admissions in South Korea. - Dominated box office with 57% revenue share - Became first 2018 release to have topped the weekend box office for 3 consecutive weeks |
| 20 | May 20, 2018 | Deadpool 2 | US$11.8 million | - Dominated the weekend box office with 64% revenue share - First R-rated film to top the box office in South Korea in 2018 |
| 21 | May 27, 2018 | Believer | US$9.2 million | - Dominated weekend box office with 54% revenue share - Fastest domestic film to reach 1 million admissions in 2018 (to date). |
| 22 | June 3, 2018 | Believer | US$8.2 million | - Dominated weekend box office with 63% revenue share - Fastest domestic film to reach 3 million admissions in 2018 (to date). |
| 23 | June 10, 2018 | Jurassic World: Fallen Kingdom | US$14.8 million | - Set new record as biggest opening day for a foreign film in South Korea with US$9.1 million gross and 1.18 million admissions - Dominated weekend box office with 72% revenue share |
| 24 | June 17, 2018 | The Accidental Detective 2: In Action | US$5.5 million | |
| 25 | June 24, 2018 | The Accidental Detective 2: In Action | US$5.0 million | |
| 26 | July 1, 2018 | The Witch: Part 1. The Subversion | US$6.0 million | |
| 27 | July 8, 2018 | Ant-Man and the Wasp | US$15.5 million | Dominated weekend box office with 69% revenue share |
| 28 | July 15, 2018 | Ant-Man and the Wasp | US$8.3 million | Marvel Cinematic Universe's films totaled 100 million admissions in South Korean with this film. |
| 29 | July 22, 2018 | Incredibles 2 | US$8.6 million | - Dominated weekend box office with 47% revenue share - Became first animated feature film to topped weekend box office in South Korea, since Your Name in January 2017 - Highest opening gross for a Pixar film in South Korea, beating previous record set by Toy Story 3 |
| 30 | July 29, 2018 | Mission: Impossible – Fallout | US$18.7 million | - Dominated weekend box office with 66% revenue share - Biggest opening day in July for a foreign film in South Korea with US$3.5 million gross - Highest opening weekend gross in the Mission: Impossible film series |
| 31 | August 5, 2018 | Along with the Gods: The Last 49 Days | US$29.8 million | Dominated weekend box office with 71% revenue share. Set various records during its opening weekend in South Korea: - Set a new record for the biggest opening day by admissions with 1.25 million admissions, beating the record set by Jurassic World: Fallen Kingdom (1.18 million admissions) - Set a new record for the biggest single day screening in both gross and admission (1.46 million admission with US$11.8 million gross on its fourth day of release (August 4, 2018). Beat the record set by Avengers: Infinity War (1.33 million admissions and US$11.4 million gross) - Set a new record for becoming the fastest film to reach 3 (3 days), 5 and 6 (5 days) million admissions, beating previous record set by Train to Busan in 2016 - Set a new record for all-time biggest opening weekend both in gross and admission, with US$29.8 million gross. Became first film in South Korea to reach 6 million admissions during its opening week (Wednesday to Sunday). Beating Train to Busan in 2016 (5.31 million admissions). |
| 32 | August 12, 2018 | Along with the Gods: The Last 49 Days | US$12.2 million | - Set a new record for becoming the fastest film to reach 7, 8, and 9 million admissions in South Korea - Suffer 58% drop on its second weekend, due to competitive debut weekend for The Spy Gone North |
| 33 | August 19, 2018 | The Witness | US$6.4 million | Face competitive weekend with The Spy Gone North, which grossing around US$6.3 million |
| 34 | August 26, 2018 | On Your Wedding Day | US$5.5 million | Dominated 30% of revenue share, while total 75% of revenue share dominated by domestic films. Local films take top four spots at weekend Box Office, for the first time since August last year in the same week (34th week) |
| 35 | September 2, 2018 | On Your Wedding Day | US$4.5 million | Become first domestic romance film to have topped Box Office for 2 consecutive weeks, since Time Renegades in 2016. Also first romantic comedy film to have done so, since My Love, My Bride in 2014 |
| 36 | September 9, 2018 | Searching | US$5.8 million | - Dominated weekend box office with 50% revenue share - Increased 62% in gross compared to its debut weekend, biggest second weekend increase for a foreign film that topped box office in South Korea, beat previous record (+18.9%) set by Frozen in 2014 - First foreign thriller film to topped box office since Gone Girl in 2014 |
| 37 | September 16, 2018 | Searching | US$4.1 million | - First foreign thriller film to have topped box office for 2 consecutive weeks, since Gone Girl in 2014 - Managed to lead the box office despite the period blockbuster Monstrum and American sci-fi action The Predator debut on the same weekend |
| 38 | September 23, 2018 | The Great Battle | US$9.0 million | Dominated 42% of revenue share despite a competitive weekend with Fengshui, The Negotiation, and The Nun debut on the same weekend |
| 39 | September 30, 2018 | The Great Battle | US$6.5 million | - Dominated 43% of revenue share, local films are taking the top four spots at weekend box office - Becoming fastest Chuseok Holiday film to surpassed 3 million admissions, beat previous record set by Masquerade in 2012 |
| 40 | October 7, 2018 | Venom | US$9.3 million | - Dominated 44% of revenue share, head-to-head with Dark Figure of Crime which released on the same day (grossed US$7.9 million with 38% revenue share) - Biggest opening day for Marvel Character solo film in South Korea all-time - Fourth biggest opening day for a foreign film in South Korea all-time |
| 41 | October 14, 2018 | Dark Figure of Crime | US$4.4 million | - Rose to first place during its second weekend, though having 44% drop in gross compared to its debut weekend - Along with Venom (grossed US$3.9 million), the two films together accounted 70% of revenue share. |
| 42 | October 21, 2018 | First Man | US$2.9 million | - Dominated 29% of revenue share, head-to-head with Dark Figure of Crime which grossed US$2.5 million with 25% revenue share - Lowest attendance for film that topped box office this year (349,875 attendance from 3 days weekend) |
| 43 | October 28, 2018 | Rampant | US$6.6 million | Dominated box office with 52% revenue share |
| 44 | November 4, 2018 | Intimate Strangers | US$9.3 million | - Dominated box office with 52% revenue share - Highest opening day and debut weekend for a domestic comedy film since Luck Key in 2016 - Fastest comedy film to surpassed 1 million admissions this year |
| 45 | November 11, 2018 | Intimate Strangers | US$7.9 million | |
| 46 | November 18, 2018 | Fantastic Beasts: The Crimes of Grindelwald | US$8.2 million | |
| 47 | November 25, 2018 | Bohemian Rhapsody | US$7.7 million | |
| 48 | December 2, 2018 | Default | US$8.4 million | |
| 49 | December 9, 2018 | Default | US$5.0 million | |
| 50 | December 16, 2018 | Bohemian Rhapsody | US$4.4 million | |
| 51 | December 23, 2018 | Aquaman | US$7.9 million | |
| 52 | December 30, 2018 | Aquaman | US$6.6 million | |

## Highest-grossing films

Highest-grossing domestic films of 2018 (by admissions)* :
| Rank | Title | Release date | Admissions | Domestic gross |
| 1 | Along with the Gods: The Last 49 Days | August 1, 2018 | 12,274,996 | US$91.2 million |
| 2 | Along with the Gods: The Two Worlds | December 20, 2017 | 5,872,007 | US$42.1 million |
| 3 | The Great Battle | September 19, 2018 | 5,440,186 | US$41.2 million |
| 4 | Intimate Strangers | October 31, 2018 | 5,293,435 | US$39.4 million |
| 5 | 1987: When the Day Comes | December 27, 2017 | 5,290,310 | US$38.1 million |
| 6 | Believer | May 22, 2018 | 5,063,684 | US$38.6 million |
| 7 | The Spy Gone North | August 8, 2018 | 4,974,520 | US$38.0 million |
| 8 | Dark Figure of Crime | October 3, 2018 | 3,789,321 | US$29.3 million |
| 9 | Default | November 28, 2018 | 3,747,954 | US$27.4 million |
| 10 | Keys to the Heart | January 17, 2018 | 3,419,339 | US$24.4 million |
Highest-grossing foreign films of 2018 (by admissions)* :
| Rank | Title | Release date | Admissions | Domestic gross |
| 1 | Avengers: Infinity War | April 25, 2018 | 11,212,710 | US$88.8 million |
| 2 | Bohemian Rhapsody | October 31, 2018 | 9,224,587 | US$76.1 million |
| 3 | Mission: Impossible – Fallout | July 25, 2018 | 6,584,915 | US$49.7 million |
| 4 | Jurassic World: Fallen Kingdom | June 6, 2018 | 5,661,128 | US$44.2 million |
| 5 | Ant-Man and the Wasp | July 4, 2018 | 5,448,134 | US$42.2 million |
| 6 | Black Panther | February 14, 2018 | 5,399,227 | US$40.8 million |
| 7 | Venom | October 3, 2018 | 3,888,096 | US$30.3 million |
| 8 | Deadpool 2 | May 16, 2018 | 3,784,602 | US$30.4 million |
| 9 | Coco | January 11, 2018 | 3,510,017 | US$24.6 million |
| 10 | Aquaman | December 19, 2018 | 3,491,860 | US$27.1 million |
* *Admissions and gross are only for the year 2018 and does not equate to the eventual admissions and gross of a film.