| 1966 World Championships | |
| Size: | 140 |
| Host City: |  Toledo, United States |
| Dates: | 16–22 June |
The 1966 World Wrestling Championships were held in Toledo, Ohio, United States.
| width=50 rowspan="2" | Rank | Men's freestyle | Men's Greco-Roman | ||||
|---|---|---|---|---|---|---|---|
| width=200 | Team | width=50 | Points | width=200 | Team | width=50 | Points |
| 1 | 34 | 39.5 | |||||
| 2 | 28.5 | 19.33 | |||||
| 3 | 23 |  | 14.5 | ||||
| 4 | 19 | 14 | |||||
| 5 | 18.5 | 12.5 | |||||
| 6 |  | 17 | 12.33 | ||||
| Flyweight 52 kg | ||||
| Bantamweight 57 kg | ||||
| Featherweight 63 kg | ||||
| Lightweight 70 kg | ||||
| Welterweight 78 kg | ||||
| Middleweight 87 kg | ||||
| Light heavyweight 97 kg | ||||
| Heavyweight +97 kg |
| Flyweight 52 kg | ||||
| Bantamweight 57 kg | ||||
| Featherweight 63 kg | ||||
| Lightweight 70 kg | ||||
| Welterweight 78 kg | ||||
| Middleweight 87 kg | ||||
| Light heavyweight 97 kg | ||||
| Heavyweight +97 kg |