| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Dunkirk | $212,698 | - | 67 | - | $3,174 | $212,698 | 1 | Times Media Films | true | false |
| 2 | 1 | Despicable Me 3 | $142,423 | -41.8% | 95 | -6 | $1,499 | $3,070,060 | 5 | United International Pictures | false | false |
| 3 | 2 | Spider-Man: Homecoming | $135,678 | -37.3% | 93 | -16 | $1,458 | $1,992,753 | 4 | Sony Pictures Releasing | false | false |
| 4 | 3 | Valerian and the City of a Thousand Planets | $103,741 | -38.3% | 93 | -5 | $1,115 | $323,007 | 2 | Times Media Films | false | false |
| 5 | 5 | War for the Planet of the Apes | $82,386 | -34.1% | 89 | -45 | $925 | $573,964 | 3 | 20th Century Fox International | false | false |
| 6 | 4 | Captain Underpants: The First Epic Movie | $81,357 | -45.7% | 99 | +2 | $821 | $247,927 | 2 | 20th Century Fox International | false | false |
| 7 | 6 | Transformers: The Last Knight | $30,216 | -37.6% | 41 | -9 | $736 | $1,529,843 | 6 | United International Pictures | false | false |
| 8 | 7 | Baywatch | $28,299 | -27.3% | 29 | -5 | $975 | $1,474,581 | 9 | Paramount Pictures International | false | false |
| 9 | - | Viceroy's House | $24,197 | - | 27 | - | $896 | $24,197 | 1 | United International Pictures | true | false |
| 10 | - | Mubarakan | $21,083 | - | 9 | - | $2,342 | $21,083 | 1 | Sony Pictures Releasing | true | false |
| 11 | - | Van der Merwe | $18,452 | - | 50 | - | $369 | $18,452 | 1 | Ster-Kinekor Pictures | true | false |
| 12 | 8 | The House | $17,764 | -48.4% | 19 | -21 | $934 | $247,701 | 4 | Times Media Films | false | false |
| 13 | 9 | Cars 3 | $15,074 | -49.9% | 31 | -8 | $486 | $1,166,842 | 7 | Ster-Kinekor Pictures | false | false |
| 14 | 12 | The Mummy | $14,534 | -14.1% | 16 | -4 | $908 | $1,073,379 | 8 | United International Pictures | false | false |
| 15 | 10 | The Circle | $12,031 | -57.8% | 19 | -17 | $633 | $121,595 | 3 | Ster-Kinekor Pictures | false | false |
| 16 | 11 | Wonder Woman | $7,910 | -54% | 13 | -9 | $608 | $1,574,289 | 9 | Times Media Films | false | false |
| 17 | 13 | Everything, Everything | $7,861 | -31.2% | 5 | -3 | $1,572 | $243,747 | 6 | Times Media Films | false | false |
| 18 | 14 | Paris Can Wait | $7,843 | -29.3% | 8 | - | $980 | $119,295 | 5 | Times Media Films | false | false |
| 19 | 22 | Rough Night | $3,447 | +138.7% | 5 | +2 | $689 | $327,573 | 7 | Sony Pictures Releasing | false | false |
| 20 | 15 | Nul is nie niks nie | $3,301 | -57.2% | 12 | -8 | $275 | $105,396 | 4 | Indigenous Film Distribution | false | false |
| 21 | 17 | Pirates of the Caribbean: Dead Men Tell No Tales | $3,200 | -40.5% | 3 | -1 | $1,066 | $1,308,267 | 10 | Ster-Kinekor Pictures | false | false |
| 22 | 16 | Churchill | $2,933 | -51.9% | 4 | -3 | $733 | $61,277 | 4 | Ster-Kinekor Pictures | false | false |
| 23 | 19 | The Odyssey | $934 | -74.9% | 3 | -8 | $311 | $15,265 | 3 | United International Pictures | false | false |
| 24 | 23 | The Red Turtle | $532 | -55.5% | 3 | - | $177 | $5,051 | 3 | United International Pictures | false | false |
| 25 | 25 | Once Upon a Time in Venice | $117 | -76.6% | 1 | -1 | $117 | $61,310 | 5 | Crystal Brook Distrbution | false | false |
