Domestic Box Office For May 1980
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Star Wars: Episode V - The Empire Strikes Back | $209,398,025 | 1,278 | $4,910,483 | 2.3% | 126 | May 21 | - | Twentieth Century Fox |
| 2 | The Shining | $44,017,374 | 10 | $622,337 | 1.4% | 10 | May 23 | - | Warner Bros. |
| 3 | Friday the 13th | $39,754,601 | 1,100 | $5,816,321 | 14.6% | 1,100 | May 9 | - | Paramount Pictures |
| 4 | Fame | $21,202,829 | 3 | $118,160 | 0.6% | 3 | May 16 | - | Metro-Goldwyn-Mayer (MGM) |
| 5 | The Long Riders | $15,795,189 | 759 | $2,351,112 | 14.9% | 759 | May 16 | - | United Artists |
| 6 | The Nude Bomb | $14,662,035 | 793 | $3,565,066 | 24.3% | 793 | May 9 | - | Universal Pictures |
| 7 | Mary Poppins 1980 Re-release | $14,000,000 | - | - | - | - | May 23 | - | Walt Disney Studios Motion Pictures |
| 8 | The Hollywood Knights | $10,000,000 | - | - | - | - | May 16 | - | Columbia Pictures |
| 9 | The Gong Show Movie | $6,621,520 | 775 | $1,476,425 | 22.3% | 775 | May 23 | - | Universal Pictures |
| 10 | Bon Voyage, Charlie Brown (and Don't Come Back!!) | $2,013,193 | - | - | - | - | May 30 | - | Paramount Pictures |
| 11 | Carny | $1,817,720 | - | - | - | - | May 23 | - | Metro-Goldwyn-Mayer (MGM) |
| 12 | Home Movies | $89,134 | - | - | - | - | May 16 | - | United Artists |
