| Rank | Release
| Weekly | Weekend | % of Week | Weekdays | % of Week | Theaters | Week | Distributor
| New This Week
| Estimated
|
|---|
| 1 | Aliens | $9,165,500 | $5,779,352 | 63.1% | $3,386,148 | 36.9% | 1,395 | 4 | Twentieth Century Fox | - | false |
| 2 | The Karate Kid Part II | $6,033,107 | $3,674,410 | 60.9% | $2,358,697 | 39.1% | 1,586 | 8 | Columbia Pictures | - | false |
| 3 | Top Gun | $5,672,797 | $3,428,696 | 60.4% | $2,244,101 | 39.6% | 1,281 | 13 | Paramount Pictures | - | false |
| 4 | One Crazy Summer | $5,534,115 | $3,433,952 | 62% | $2,100,163 | 38% | 984 | 1 | Warner Bros. | - | false |
| 5 | Flight of the Navigator | $5,020,293 | $2,461,744 | 49% | $2,558,549 | 51% | 1,024 | 3 | Walt Disney Studios Motion Pictures | - | false |
| 6 | Ruthless People | $4,724,347 | $3,116,152 | 66% | $1,608,195 | 34% | 1,077 | 7 | Walt Disney Studios Motion Pictures | - | false |
| 7 | Howard the Duck | $4,325,970 | $2,719,620 | 62.9% | $1,606,350 | 37.1% | 1,563 | 2 | Universal Pictures | - | false |
| 8 | Nothing in Common | $4,072,180 | $2,765,180 | 67.9% | $1,307,000 | 32.1% | 645 | 2 | TriStar Pictures | - | false |
| 9 | A Fine Mess | $3,845,615 | $2,620,657 | 68.2% | $1,224,958 | 31.8% | 1,162 | 1 | Columbia Pictures | - | false |
| 10 | Heartburn | $3,787,061 | $2,524,853 | 66.7% | $1,262,208 | 33.3% | 850 | 3 | Paramount Pictures | - | false |
| 11 | Back to School | $3,312,488 | $2,054,973 | 62% | $1,257,515 | 38% | 1,089 | 9 | Orion Pictures | - | false |
| 12 | About Last Night | $2,847,328 | $1,876,328 | 65.9% | $971,000 | 34.1% | 887 | 6 | TriStar Pictures | - | false |
| 13 | The Transformers: The Movie | $2,817,118 | $1,779,559 | 63.2% | $1,037,559 | 36.8% | 990 | 1 | De Laurentiis Entertainment Group (DEG) | - | false |
| 14 | Ferris Bueller's Day Off | $2,650,365 | $1,558,730 | 58.8% | $1,091,635 | 41.2% | 856 | 10 | Paramount Pictures | - | false |
| 15 | Running Scared | $1,702,589 | $1,080,556 | 63.5% | $622,033 | 36.5% | 682 | 7 | Metro-Goldwyn-Mayer (MGM) | - | false |
| 16 | Legal Eagles | $1,582,784 | $1,004,813 | 63.5% | $577,971 | 36.5% | 640 | 8 | Universal Pictures | - | false |
| 17 | Stand by Me | $411,192 | $242,795 | 59% | $168,397 | 41% | 16 | 1 | Columbia Pictures | - | false |
| 18 | She's Gotta Have It | $57,087 | $28,473 | 49.9% | $28,614 | 50.1% | 1 | 1 | Island Pictures | - | false |
| - | Friday the 13th Part VI: Jason Lives | - | $3,525,287 | - | - | - | 1,610 | 2 | Paramount Pictures | - | false |
| - | Haunted Honeymoon | - | - | - | - | - | - | 3 | Orion Pictures | - | false |
| - | Maximum Overdrive | - | - | - | - | - | - | 3 | De Laurentiis Entertainment Group (DEG) | - | false |
