# List of 2023 box office number-one films in Japan

The following is a list of 2023 box office number-one films in Japan by week. When the number-one film in gross is not the same as the number-one film in admissions, both are listed.
| Week # | Date | Film | Gross | Notes |
| 1 | January 8, 2023 | The First Slam Dunk | US$3,640,900 | |
| 2 | January 15, 2023 | The First Slam Dunk | US$3,340,900 | |
| 3 | January 22, 2023 | The First Slam Dunk | US$3,168,200 | |
| 4 | January 29, 2023 | The Legend and Butterfly | US$3,838,400 | |
| 5 | February 5, 2023 | Demon Slayer: Kimetsu no Yaiba – To the Swordsmith Village | US$8,788,900 | |
| 6 | February 12, 2023 | Demon Slayer: Kimetsu no Yaiba – To the Swordsmith Village | US$4,313,300 | |
| 7 | February 19, 2023 | Ant-Man and the Wasp: Quantumania | US$3,059,300 | |
| 8 | February 26, 2023 | The First Slam Dunk | US$2,280,600 | In attendance |
| 8 | February 26, 2023 | Demon Slayer: Kimetsu no Yaiba – To the Swordsmith Village | US$2,284,900 | In gross |
| 9 | March 5, 2023 | Doraemon: Nobita's Sky Utopia | US$4,887,600 | |
| 10 | March 12, 2023 | Doraemon: Nobita's Sky Utopia | US$3,486,300 | |
| 11 | March 19, 2023 | As Long as We Both Shall Live | US$4,988,400 | |
| 12 | March 26, 2023 | Doraemon: Nobita's Sky Utopia | US$2,981,800 | |
| 13 | April 2, 2023 | Doraemon: Nobita's Sky Utopia | US$2,441,900 | |
| 14 | April 9, 2023 | Doraemon: Nobita's Sky Utopia | US$1,540,100 | |
| 15 | April 16, 2023 | Detective Conan: Black Iron Submarine | US$23,473,900 | |
| 16 | April 23, 2023 | Detective Conan: Black Iron Submarine | US$12,037,600 | |
| 17 | April 30, 2023 | The Super Mario Bros. Movie | US$13,387,300 | |
| 18 | May 7, 2023 | The Super Mario Bros. Movie | US$18,316,000 | |
| 19 | May 14, 2023 | The Super Mario Bros. Movie | US$7,846,900 | |
| 20 | May 21, 2023 | Fast X | US$7,199,900 | |
| 21 | May 28, 2023 | The Super Mario Bros. Movie | US$4,507,200 | |
| 22 | June 4, 2023 | The Super Mario Bros. Movie | US$4,105,200 | |
| 23 | June 11, 2023 | The Little Mermaid | US$5,103,700 | |
| 24 | June 18, 2023 | The Little Mermaid | US$2,856,100 | |
| 25 | June 25, 2023 | The Little Mermaid | US$2,376,400 | |
| 26 | July 2, 2023 | Tokyo Revengers 2: Bloody Halloween Part 2 | US$4,179,900 | In attendance |
| 26 | July 2, 2023 | Indiana Jones and the Dial of Destiny | US$4,477,000 | In gross |
| 27 | July 9, 2023 | Indiana Jones and the Dial of Destiny | US$2,765,200 | |
| 28 | July 16, 2023 | The Boy and the Heron | US$11,759,800 | |
| 29 | July 23, 2023 | Mission: Impossible – Dead Reckoning Part One | US$7,546,200 | |
| 30 | July 30, 2023 | Kingdom 3: The Flame of Destiny | US$7,393,400 | |
| 31 | August 6, 2023 | Kingdom 3: The Flame of Destiny | US$4,181,700 | |
| 32 | August 13, 2023 | Kingdom 3: The Flame of Destiny | US$4,155,100 | |
| 33 | August 20, 2023 | Kingdom 3: The Flame of Destiny | US$2,159,900 | |
| 34 | August 27, 2023 | Meg 2: The Trench | US$2,957,900 | |
| 35 | September 3, 2023 | Haunted Mansion | US$3,251,700 | |
| 36 | September 10, 2023 | City Hunter the Movie: Angel Dust | US$2,222,300 | |
| 37 | September 17, 2023 | Don't Call It Mystery | US$5,750,800 | |
| 38 | September 24, 2023 | Don't Call It Mystery | US$3,505,400 | |
| 39 | October 1, 2023 | Don't Call It Mystery | US$2,633,700 | |
| 40 | October 8, 2023 | Don't Call It Mystery | US$2,088,300 | |
| 41 | October 15, 2023 | Don't Call It Mystery | US$1,324,400 | |
| 42 | October 22, 2023 | One Piece Film: Red | US$1,060,500 | In attendance |
| 42 | October 22, 2023 | The Creator | US$1,093,900 | In gross |
| 43 | October 29, 2023 | Don't Call It Mystery | US$795,700 | |
| 44 | November 5, 2023 | Godzilla Minus One | US$6,954,200 | |
| 45 | November 12, 2023 | Godzilla Minus One | US$3,689,000 | |
| 46 | November 19, 2023 | Godzilla Minus One | US$2,836,000 | |
| 47 | November 26, 2023 | Fly Me to the Saitama: From Biwa Lake with Love | US$2,784,700 | |
| 48 | December 3, 2023 | Fly Me to the Saitama: From Biwa Lake with Love | US$2,011,300 | |
| 49 | December 10, 2023 | Wonka | US$2,853,000 | |
| 50 | December 17, 2023 | Wish | US$4,302,800 | |
| 51 | December 24, 2023 | Spy × Family Code: White | US$8,597,000 | |
| 52 | December 31, 2023 | Spy × Family Code: White | US$5,576,400 | |

## Highest-grossing films

Highest-grossing films in 2023 :
| Rank | Title | Gross |
| 1 | The First Slam Dunk | ¥15.87 billion ($112.96 million) |
| 2 | The Super Mario Bros. Movie | ¥14.02 billion ($99.79 million) |
| 3 | Detective Conan: Black Iron Submarine | ¥13.88 billion ($98.8 million) |
| 4 | The Boy and the Heron | ¥8.84 billion ($62.92 million) |
| 5 | Kingdom 3: The Flame of Destiny | ¥5.60 billion ($39.86 million) |
| 6 | Godzilla Minus One | ¥5.59 billion ($39.79 million) |
| 7 | Mission: Impossible – Dead Reckoning Part One | ¥5.43 billion ($38.65 million) |
| 8 | Don't Call It Mystery | ¥4.80 billion ($34.17 million) |
| 9 | Tokyo MER: Mobile Emergency Room – The Movie | ¥4.53 billion ($32.24 million) |
| 10 | Doraemon: Nobita's Sky Utopia | ¥4.34 billion ($30.89 million) |