| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | 1 | Despicable Me 3 | $244,860 | -36.9% | 101 | -12 | $2,424 | $2,918,242 | 4 | United International Pictures | false | false |
| 2 | 2 | Spider-Man: Homecoming | $216,290 | -39.8% | 109 | -11 | $1,984 | $1,821,921 | 3 | Sony Pictures Releasing | false | false |
| 3 | - | Valerian and the City of a Thousand Planets | $168,042 | - | 98 | - | $1,714 | $168,042 | 1 | Times Media Films | true | false |
| 4 | - | Captain Underpants: The First Epic Movie | $149,749 | - | 97 | - | $1,543 | $149,749 | 1 | 20th Century Fox International | true | false |
| 5 | 3 | War for the Planet of the Apes | $125,069 | -37.7% | 134 | +35 | $933 | $444,034 | 2 | 20th Century Fox International | false | false |
| 6 | 4 | Transformers: The Last Knight | $48,392 | -46.9% | 50 | -37 | $967 | $1,499,166 | 5 | United International Pictures | false | false |
| 7 | 5 | Baywatch | $38,917 | -30.9% | 34 | -14 | $1,144 | $1,444,564 | 8 | Paramount Pictures International | false | false |
| 8 | 7 | The House | $34,435 | -26.1% | 40 | -12 | $860 | $218,218 | 3 | Times Media Films | false | false |
| 9 | 6 | Cars 3 | $30,070 | -44.3% | 39 | -20 | $771 | $1,159,116 | 6 | Ster-Kinekor Pictures | false | false |
| 10 | 8 | The Circle | $28,484 | -31.2% | 36 | +1 | $791 | $98,407 | 2 | Ster-Kinekor Pictures | false | false |
| 11 | 9 | Wonder Woman | $17,206 | -50.3% | 22 | -16 | $782 | $1,573,536 | 8 | Times Media Films | false | false |
| 12 | 10 | The Mummy | $16,927 | -48.4% | 20 | -11 | $846 | $1,060,918 | 7 | United International Pictures | false | false |
| 13 | 12 | Everything, Everything | $11,430 | -28.4% | 8 | -7 | $1,428 | $234,170 | 5 | Times Media Films | false | false |
| 14 | 13 | Paris Can Wait | $11,098 | -11% | 8 | -1 | $1,387 | $107,951 | 4 | Times Media Films | false | false |
| 15 | 11 | Nul is nie niks nie | $7,706 | -52.4% | 20 | -23 | $385 | $99,851 | 3 | Indigenous Film Distribution | false | false |
| 16 | 14 | Churchill | $6,102 | -45.7% | 7 | -10 | $871 | $56,065 | 3 | Ster-Kinekor Pictures | false | false |
| 17 | 15 | Pirates of the Caribbean: Dead Men Tell No Tales | $5,378 | -49.8% | 4 | -5 | $1,344 | $1,314,519 | 9 | Ster-Kinekor Pictures | false | false |
| 18 | 16 | All Eyez on Me | $4,475 | -52.9% | 11 | -5 | $406 | $97,100 | 4 | Ster-Kinekor Pictures | false | false |
| 19 | 18 | The Odyssey | $3,724 | -26.9% | 11 | - | $338 | $12,266 | 2 | United International Pictures | false | false |
| 20 | 20 | Wakefield | $3,328 | -3.9% | 5 | - | $665 | $8,868 | 2 | Times Media Films | false | false |
| 21 | 23 | Their Finest | $1,587 | +9.1% | 2 | -1 | $793 | $57,077 | 8 | Ster-Kinekor Pictures | false | false |
| 22 | 17 | Rough Night | $1,444 | -73.3% | 3 | -1 | $481 | $324,495 | 6 | Sony Pictures Releasing | false | false |
| 23 | 24 | The Red Turtle | $1,195 | -13.6% | 3 | - | $398 | $4,050 | 2 | United International Pictures | false | false |
| 24 | 19 | The Case for Christ | $1,162 | -75.8% | 3 | -5 | $387 | $109,920 | 6 | - | false | false |
| 25 | 22 | Once Upon a Time in Venice | $501 | -75.4% | 2 | -3 | $250 | $61,686 | 4 | - | false | false |
