| Rank | Release
| Genre
| Budget
| Running Time
| Gross | Theaters | Total Gross | Release Date | Distributor
| Estimated
|
|---|
| 1 | Mission: Impossible - Fallout | - | - | - | $1,137,861 | 140 | $1,683,818 | Jul 27 | United International Pictures | false |
| 2 | The Meg | - | - | - | $946,738 | 111 | $1,252,708 | Aug 10 | Times Media Films | false |
| 3 | Mamma Mia! Here We Go Again | - | - | - | $925,732 | 105 | $2,340,233 | Jul 20 | Universal Pictures International (UPI) | false |
| 4 | Stroomop | - | - | - | $386,430 | 60 | $501,597 | Aug 10 | Ster-Kinekor Pictures | false |
| 5 | The Equalizer 2 | - | - | - | $306,453 | 113 | $925,699 | Aug 24 | Ster-Kinekor Pictures | false |
| 6 | Charming | - | - | - | $295,813 | 79 | $338,197 | Aug 10 | African Entertainment Distributors | false |
| 7 | Christopher Robin | - | - | - | $268,925 | 64 | $295,296 | Aug 3 | Ster-Kinekor Pictures | false |
| 8 | The Spy Who Dumped Me | - | - | - | $263,057 | 82 | $573,962 | Aug 17 | Times Media Films | false |
| 9 | Skyscraper | - | - | - | $223,746 | 118 | $1,020,323 | Jul 13 | United International Pictures | false |
| 10 | Broken Promises 4-Ever | - | - | - | $188,901 | 21 | $296,956 | Jul 27 | Indigenous Film Distribution | false |
| 11 | The Guernsey Literary and Potato Peel Pie Society | - | - | - | $121,144 | 19 | $206,113 | Aug 9 | Times Media Films | false |
| 12 | Ant-Man and the Wasp | - | - | - | $100,316 | 129 | $1,351,446 | Jul 6 | Ster-Kinekor Pictures | false |
| 13 | Crazy Rich Asians | - | - | - | $100,288 | 46 | $516,813 | Aug 24 | Times Media Films | false |
| 14 | Adrift | - | - | - | $96,170 | 42 | $143,143 | Jul 27 | Times Media Films | false |
| 15 | The Darkest Minds | - | - | - | $91,351 | 48 | $101,979 | Aug 3 | 20th Century Fox International | false |
| 16 | Teen Titans GO! To the Movies | - | - | - | $65,981 | 33 | $105,763 | Jul 27 | Times Media Films | false |
| 17 | Alpha | - | - | - | $59,372 | 27 | $71,315 | Aug 17 | Sony Pictures Releasing | false |
| 18 | Hotel Artemis | - | - | - | $49,404 | 43 | $49,404 | Aug 3 | Ster-Kinekor Pictures | false |
| 19 | A-X-L | - | - | - | $40,958 | 46 | $67,856 | Aug 24 | Ster-Kinekor Pictures | false |
| 20 | The Wife | - | - | - | $38,933 | 22 | $129,038 | Aug 24 | Ster-Kinekor Pictures | false |
| 21 | Ocean's Eight | - | - | - | $27,833 | 101 | $1,465,110 | Jun 22 | Times Media Films | false |
| 22 | Down a Dark Hall | - | - | - | $22,556 | 15 | $24,203 | Aug 17 | Times Media Films | false |
| 23 | The Snow Queen 3: Fire and Ice | - | - | - | $22,496 | 27 | $37,051 | Jul 27 | Indigenous Film Distribution | false |
| 24 | Sicario: Day of the Soldado | - | - | - | $20,376 | 5 | $24,220 | Aug 3 | Korea Screen | false |
| 25 | Book Club | - | - | - | $18,272 | 41 | $358,919 | Jun 29 | Ster-Kinekor Pictures | false |
| 26 | Mary Shelley | - | - | - | $5,213 | 13 | $5,213 | Aug 3 | Ster-Kinekor Pictures | false |
| 27 | Farewell Ella Bella | - | - | - | $4,698 | 20 | $4,698 | Aug 17 | Ster-Kinekor Pictures | false |
| 28 | Asinamali | - | - | - | $4,141 | 11 | $4,141 | Jul 27 | Indigenous Film Distribution | false |
| 29 | The Hurricane Heist | - | - | - | $1,178 | 44 | $151,399 | Jun 29 | Times Media Films | false |
| 30 | Tag | - | - | - | $861 | 56 | $197,204 | Jun 29 | Times Media Films | false |
| 31 | Isle of Dogs | - | - | - | $797 | 11 | $39,158 | Jun 22 | 20th Century Fox International | false |
