| Rank | LW | Release
| Gross | %± LW | Theaters | Change | Average | Total Gross | Weeks | Distributor
| New This Week
| Estimated
|
|---|
| 1 | - | Girls Trip | $181,918 | - | 59 | - | $3,083 | $181,918 | 1 | United International Pictures | true | false |
| 2 | - | Baby Driver | $173,196 | - | 86 | - | $2,013 | $173,196 | 1 | Sony Pictures Releasing | true | false |
| 3 | 1 | Dunkirk | $123,700 | -41.8% | 71 | +4 | $1,742 | $430,301 | 2 | Times Media Films | false | false |
| 4 | 2 | Despicable Me 3 | $94,418 | -33.7% | 92 | -3 | $1,026 | $3,092,083 | 6 | United International Pictures | false | false |
| 5 | 3 | Spider-Man: Homecoming | $81,161 | -40.2% | 87 | -6 | $932 | $2,055,326 | 5 | Sony Pictures Releasing | false | false |
| 6 | 6 | Captain Underpants: The First Epic Movie | $57,664 | -29.1% | 84 | -15 | $686 | $311,872 | 3 | 20th Century Fox International | false | false |
| 7 | 4 | Valerian and the City of a Thousand Planets | $41,979 | -59.5% | 67 | -26 | $626 | $386,642 | 3 | Times Media Films | false | false |
| 8 | 5 | War for the Planet of the Apes | $34,581 | -58% | 55 | -34 | $628 | $623,883 | 4 | 20th Century Fox International | false | false |
| 9 | - | Krotoa | $34,068 | - | 25 | - | $1,362 | $34,068 | 1 | Ster-Kinekor Pictures | true | false |
| 10 | 9 | Viceroy's House | $15,420 | -36.3% | 28 | +1 | $550 | $52,771 | 2 | United International Pictures | false | false |
| 11 | 8 | Baywatch | $14,779 | -47.8% | 21 | -8 | $703 | $1,453,998 | 10 | Paramount Pictures International | false | false |
| 12 | 7 | Transformers: The Last Knight | $14,038 | -53.5% | 22 | -19 | $638 | $1,506,310 | 7 | United International Pictures | false | false |
| 13 | 11 | Van der Merwe | $8,719 | -52.7% | 45 | -5 | $193 | $33,452 | 2 | Ster-Kinekor Pictures | false | false |
| 14 | 14 | The Mummy | $8,022 | -44.8% | 12 | -4 | $668 | $1,053,643 | 9 | United International Pictures | false | false |
| 15 | 10 | Mubarakan | $7,659 | -63.7% | 11 | +2 | $696 | $33,092 | 2 | Sony Pictures Releasing | false | false |
| 16 | 12 | The House | $7,528 | -57.6% | 13 | -6 | $579 | $253,528 | 5 | Times Media Films | false | false |
| 17 | 18 | Paris Can Wait | $5,367 | -31.6% | 8 | - | $670 | $124,616 | 6 | Times Media Films | false | false |
| 18 | 13 | Cars 3 | $4,600 | -69.5% | 10 | -21 | $460 | $1,136,286 | 8 | Ster-Kinekor Pictures | false | false |
| 19 | - | Brimstone | $4,500 | - | 12 | - | $375 | $4,733 | 1 | Ster-Kinekor Pictures | true | false |
| 20 | 17 | Everything, Everything | $4,318 | -45.1% | 6 | +1 | $719 | $243,593 | 7 | Times Media Films | false | false |
| 21 | 15 | The Circle | $2,771 | -77% | 7 | -12 | $395 | $127,224 | 4 | Ster-Kinekor Pictures | false | false |
| 22 | 16 | Wonder Woman | $2,745 | -65.3% | 6 | -7 | $457 | $1,530,519 | 10 | Times Media Films | false | false |
| 23 | 20 | Nul is nie niks nie | $1,021 | -69.1% | 5 | -7 | $204 | $107,051 | 5 | Indigenous Film Distribution | false | false |
| 24 | 24 | The Red Turtle | $356 | -33.1% | 1 | -2 | $356 | $5,700 | 4 | United International Pictures | false | false |
