Domestic Box Office For October 1989
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Look Who's Talking | $140,088,813 | 1,651 | $12,107,784 | 8.6% | 1,208 | Oct 13 | - | TriStar Pictures |
| 2 | The Bear | $31,753,898 | 1,056 | $3,676,530 | 11.6% | 858 | Oct 27 | - | TriStar Pictures |
| 3 | Dad | $22,103,037 | 1,188 | $540,148 | 2.4% | 107 | Oct 27 | - | Universal Pictures |
| 4 | An Innocent Man | $20,047,604 | 1,561 | $5,700,000 | 28.4% | 1,561 | Oct 6 | - | Walt Disney Studios Motion Pictures |
| 5 | The Fabulous Baker Boys | $18,428,904 | 860 | $3,313,815 | 18% | 858 | Oct 13 | - | Twentieth Century Fox |
| 6 | Crimes and Misdemeanors | $18,254,702 | 525 | $911,385 | 5% | 66 | Oct 13 | - | Orion Pictures |
| 7 | Shocker | $16,554,699 | 1,795 | $4,510,990 | 27.2% | 1,783 | Oct 27 | - | Universal Pictures |
| 8 | Next of Kin | $15,942,628 | 1,358 | $4,805,516 | 30.1% | 1,358 | Oct 20 | - | Warner Bros. |
| 9 | Halloween 5: The Revenge of Michael Myers | $11,642,254 | 1,495 | $5,093,428 | 43.7% | 1,483 | Oct 13 | - | Galaxy International Releasing |
| 10 | Gross Anatomy | $11,604,598 | 1,080 | $2,830,387 | 24.4% | 853 | Oct 20 | - | Walt Disney Studios Motion Pictures |
| 11 | Immediate Family | $5,932,613 | 836 | $1,675,344 | 28.2% | 836 | Oct 27 | - | Columbia Pictures |
| 12 | Drugstore Cowboy | $4,729,352 | 87 | $25,805 | 0.5% | 1 | Oct 6 | - | Avenue Pictures Productions |
| 13 | Worth Winning | $3,690,328 | 1,260 | $1,492,610 | 40.4% | 1,260 | Oct 27 | - | Twentieth Century Fox |
| 14 | Old Gringo | $3,574,256 | 237 | $1,151,749 | 32.2% | 237 | Oct 6 | - | Columbia Pictures |
| 15 | Fat Man and Little Boy | $3,563,162 | 843 | $1,476,994 | 41.5% | 843 | Oct 20 | - | Paramount Pictures |
| 16 | Breaking In | $1,877,618 | 400 | $679,200 | 36.2% | 400 | Oct 13 | - | The Samuel Goldwyn Company |
| 17 | Thelonious Monk: Straight, No Chaser | $518,918 | 11 | $31,842 | 6.1% | 2 | Oct 1 | Mar 15 | Warner Bros. |
| 18 | Kill Me Again | $283,694 | 221 | $66,013 | 23.3% | 221 | Oct 27 | - | InterStar Releasing |
| 19 | Beverly Hills Brats | $192,561 | - | - | - | - | Oct 6 | - | Taurus Entertainment Company |
| 20 | When the Whales Came | $73,131 | 10 | $37,030 | 50.6% | 10 | Oct 20 | - | Twentieth Century Fox |
| 21 | Animal Behavior | $41,526 | 24 | $20,361 | 49% | 24 | Oct 27 | - | Miramax |
