Domestic Box Office For October 1980
| Rank | Release | Gross | Theaters | Total Gross | Release Date | Distributor |
|---|---|---|---|---|---|---|
| 1 | Private Benjamin | $69,847,348 | 763 | $69,847,348 | Oct 10 | Warner Bros. |
| 2 | My Bodyguard | $20,847,820 | 477 | $22,482,952 | Jul 11 | Twentieth Century Fox |
| 3 | Oh, God! Book II | $14,504,277 | 1,033 | $14,504,277 | Oct 3 | Warner Bros. |
| 4 | Somewhere in Time | $9,709,597 | 369 | $9,709,597 | Oct 3 | Universal Pictures |
| 5 | Motel Hell | $6,342,668 | 757 | $6,342,668 | Oct 24 | Metro-Goldwyn-Mayer (MGM) |
| 6 | Gloria | $4,050,207 | 1 | $4,059,673 | Oct 1 | Columbia Pictures |
| 7 | In God We Trust (or Gimme That Prime Time Religion) | $3,451,739 | 653 | $5,215,015 | Sep 26 | Universal Pictures |
| 8 | Resurrection | $3,340,903 | 417 | $3,910,019 | Sep 26 | Universal Pictures |
| 9 | Loving Couples | $2,806,659 | 592 | $2,806,659 | Oct 24 | Twentieth Century Fox |
| 10 | One-Trick Pony | $843,215 | 30 | $843,215 | Oct 3 | Warner Bros. |
