| Rank | Release
| Genre
| Budget
| Running Time
| Gross | Theaters | Total Gross | Release Date | Distributor
| Estimated
|
|---|
| 1 | Avengers: Infinity War | - | - | - | $2,050,302 | 150 | $5,552,131 | Apr 27 | Ster-Kinekor Pictures | false |
| 2 | Peter Rabbit | - | - | - | $1,097,521 | 104 | $1,764,414 | Mar 29 | Sony Pictures Releasing | false |
| 3 | Rampage | - | - | - | $883,294 | 131 | $1,214,656 | Apr 16 | Times Media Films | false |
| 4 | Acrimony | - | - | - | $857,938 | 74 | $1,851,141 | Mar 29 | Ster-Kinekor Pictures | false |
| 5 | Black Panther | - | - | - | $725,982 | 143 | $8,000,254 | Feb 16 | Ster-Kinekor Pictures | false |
| 6 | Ready Player One | - | - | - | $409,382 | 98 | $610,660 | Mar 29 | Times Media Films | false |
| 7 | Tomb Raider | - | - | - | $346,559 | 116 | $1,286,799 | Mar 16 | Times Media Films | false |
| 8 | Blockers | - | - | - | $302,399 | 71 | $431,254 | Apr 20 | United International Pictures | false |
| 9 | Pacific Rim: Uprising | - | - | - | $287,664 | 100 | $679,812 | Mar 23 | United International Pictures | false |
| 10 | A Quiet Place | - | - | - | $248,526 | 28 | $269,759 | Apr 6 | United International Pictures | false |
| 11 | Susters | - | - | - | $222,177 | 40 | $326,415 | Mar 29 | Indigenous Film Distribution | false |
| 12 | Midnight Sun | - | - | - | $147,273 | 43 | $146,110 | Apr 6 | Times Media Films | false |
| 13 | A Wizard's Tale | - | - | - | $124,168 | 66 | $137,427 | Apr 13 | African Entertainment Distributors | false |
| 14 | Five Fingers for Marseilles | - | - | - | $116,785 | 32 | $136,374 | Apr 6 | Indigenous Film Distribution | false |
| 15 | Gringo | - | - | - | $115,770 | 43 | $197,802 | Mar 23 | Times Media Films | false |
| 16 | 7 Days in Entebbe | - | - | - | $107,319 | 25 | $115,640 | Apr 6 | Times Media Films | false |
| 17 | Early Man | - | - | - | $106,649 | 74 | $171,408 | Apr 20 | Times Media Films | false |
| 18 | Hampstead | - | - | - | $63,805 | 16 | $63,805 | Apr 6 | Ster-Kinekor Pictures | false |
| 19 | Game Night | - | - | - | $55,643 | 75 | $443,367 | Mar 2 | Times Media Films | false |
| 20 | Mark Felt: The Man Who Brought Down the White House | - | - | - | $49,800 | 16 | $76,171 | Apr 20 | Ster-Kinekor Pictures | false |
| 21 | Gnome Alone | - | - | - | $48,057 | 86 | $537,269 | Mar 2 | African Entertainment Distributors | false |
| 22 | Fifty Shades Freed | - | - | - | $43,213 | 112 | $2,616,471 | Feb 9 | United International Pictures | false |
| 23 | Wonderlus | - | - | - | $35,894 | 41 | $83,164 | Apr 27 | Indigenous Film Distribution | false |
| 24 | Paul, Apostle of Christ | - | - | - | $33,131 | 14 | $86,084 | Mar 23 | Sony Pictures Releasing | false |
| 25 | The Strangers: Prey at Night | - | - | - | $31,522 | 26 | $31,522 | Apr 20 | Ster-Kinekor Pictures | false |
| 26 | The Leisure Seeker | - | - | - | $30,892 | 12 | $56,870 | Mar 29 | Sony Pictures Releasing | false |
| 27 | Winchester | - | - | - | $29,642 | 13 | $55,575 | Mar 29 | Times Media Films | false |
| 28 | Roman J. Israel, Esq. | - | - | - | $26,309 | 11 | $26,309 | Apr 13 | Ster-Kinekor Pictures | false |
| 29 | Madame | - | - | - | $24,646 | 14 | $68,718 | Apr 26 | Times Media Films | false |
| 30 | Death Wish | - | - | - | $18,098 | 77 | $363,319 | Mar 9 | Times Media Films | false |
| 31 | Catching Feelings | - | - | - | $10,273 | 35 | $116,645 | Mar 9 | United International Pictures | false |
| 32 | Darkest Hour | - | - | - | $9,600 | 24 | $173,634 | Feb 2 | United International Pictures | false |
| 33 | Loving Vincent | - | - | - | $7,388 | 9 | $74,866 | Feb 23 | Indigenous Film Distribution | false |
| 34 | Film Stars Don't Die in Liverpool | - | - | - | $6,782 | 13 | $28,195 | Mar 23 | Ster-Kinekor Pictures | false |
| 35 | Lady Bird | - | - | - | $5,714 | 14 | $56,664 | Feb 23 | United International Pictures | false |
| 36 | Phantom Thread | - | - | - | $4,595 | 5 | $33,254 | Mar 2 | United International Pictures | false |
| 37 | Red Sparrow | - | - | - | $4,143 | 78 | $359,735 | Mar 2 | 20th Century Fox International | false |
| 38 | Colossal | - | - | - | $3,346 | 11 | $3,346 | Apr 13 | Ster-Kinekor Pictures | false |
| 39 | Call Me by Your Name | - | - | - | $2,192 | 10 | $43,073 | Feb 23 | Sony Pictures Releasing | false |
| 40 | Three Billboards Outside Ebbing, Missouri | - | - | - | $1,643 | 30 | $242,356 | Feb 23 | 20th Century Fox International | false |
| 41 | 12 Strong | - | - | - | $169 | 43 | $226,911 | Feb 9 | Times Media Films | false |
