List of 2018 box office number-one films in Romania
This is a list of films which have placed number one at the weekend box office in Romania during 2018.
| # | Weekend End Date | Film | Total Weekend Gross | Notes |
| 1 | ' | 2,000,229 | ||
| 2 | Jumanji: Welcome to the Jungle | 1,103,829 | ||
| 3 | Den of Thieves | 845,378 | ||
| 4 | ' | 1,262,003 | ||
| 5 | Maze Runner: The Death Cure | 621,510 | ||
| 6 | Fifty Shades Freed | 3,009,841 | ||
| 7 | Black Panther | 2,109,114 | ||
| 8 | Black Panther | 1,436,604 | ||
| 9 | Red Sparrow | 829,049 | ||
| 10 | Red Sparrow | 470,176 | ||
| 11 | Tomb Raider | 1,149,674 | ||
| 12 | Pacific Rim Uprising | 811,778 | ||
| 13 | Peter Rabbit | 1,006,486 | ||
| 14 | Peter Rabbit | 293,987 | ||
| 15 | Rampage | 886,116 | ||
| 16 | Rampage | 460,939 | ||
| 17 | ' | 3,162,752 | 7th highest weekend gross of all time | |
| 18 | Avengers: Infinity War | 1,517,803 | ||
| 19 | Avengers: Infinity War | 913,778 | ||
| 20 | Deadpool 2 | 2,535,239 | ||
| 21 | Deadpool 2 | 847,376 | ||
| 22 | Deadpool 2 | 560,567 | ||
| 23 | ' | 1,301,491 | ||
| 24 | Jurassic World: Fallen Kingdom | 831,366 | ||
| 25 | Ocean's 8 | 884,940 | ||
| 26 | Ocean's 8 | 495,818 | ||
| 27 | Ant-Man and the Wasp | 931,200 | ||
| 28 | ' | 1,611,863 | ||
| 29 | Hotel Transylvania 3: Summer Vacation | 851,661 | ||
| 30 | Incredibles 2 | 838,845 | ||
| 31 | ' | 1,864,664 | ||
| 32 | The Meg | 833,742 | ||
| 33 | The Meg | 530,463 | ||
| 34 | Alpha | 703,495 | ||
| 35 | Alpha | 416,482 | ||
| 36 | The Nun | 1,811,798 | ||
| 37 | The Nun | 911,112 | ||
| 38 | The Nun | 544,438 | ||
| 39 | Night School | 649,678 | ||
| 40 | Venom | 2,553,269 | ||
| 41 | Venom | 1,531,940 | ||
| 42 | Venom | 1,213,015 | ||
| 43 | Smallfoot | 843,915 | ||
| 44 | Bohemian Rhapsody | 1,248,320 | ||
| 45 | Bohemian Rhapsody | 1,147,414 | ||
| 46 | 1,953,460 | |||
| 47 | The Grinch | 1,290,552 | ||
| 48 | The Grinch | 960,686 | ||
| 49 | Robin Hood | 767,995 | ||
| 50 | Second Act | 697,141 | ||
| 51 | Aquaman | 3,015,460 | 10th highest weekend gross of all time | |
| 52 | Aquaman | 2,213,597 |
Highest-grossing films
| Rank | Title | Distributor | Total gross |
| 1 | Aquaman | Vertical Entertainment | 15,722,391 |
| 2 | Venom | InterComFilm Distribution | 10,029,468 |
| 3 | ' | Forum Film Romania | 9,992,353 |
| 4 | Bohemian Rhapsody | Odeon Cineplex | 9,213,080 |
| 5 | Black Panther | Forum Film Romania | 7,590,824 |
| 6 | Fifty Shades Freed | Ro Image 2000 | 7,299,098 |
| 7 | Deadpool 2 | Odeon Cineplex | 7,075,184 |
| 8 | ' | InterComFilm Distribution | 7,032,003 |
| 9 | The Nun | Vertical Entertainment | 6,078,556 |
| 10 | Ro Image 2000 | 5,377,800 |
Venom and Aquaman became the 7th & 8th film respectively to surpass the 10 million lei mark.