1966 Speedway World Team Cup
The 1966 Speedway World Team Cup was the seventh edition of the FIM Speedway World Team Cup to determine the team world champions.
The final took place in Wrocław, Poland. The title was won by Poland for the third time.
Qualification
Continental Semi-Final
| Pos. | National team | Pts. | Riders |
| 1 | 32 | Jochen Dinse 10 Bruno Bülau 9 Hans Jürgen Fritz 7 Gerhard Uhlenbrock 6 | |
| 2 | 31 | Barnabas Gyepes 11 Ferenc Radasci 10 Janos Bernath 5 Istvan Pasztor 5 | |
| 3 | 26 | Milovan Stankovic 12 Valentin Medved 5 Franc Babic 5 Drago Perko 4 | |
| 4 | 6 | Alfred Sitzwoh 2 Helmut Walch 2 Gunther Walla 2 Kurt Schwingenschlogl 0 |
Continental Final
| Pos. | National team | Pts. | Riders |
| 1 | 38 | Marian Rose 12 Antoni Woryna 10 Paweł Waloszek 9 Andrzej Wyglenda 7 | |
| 2 | 31 | Boris Samorodov 11 Farid Szajnurov 8 Viktor Trofimov 8 Gennady Kurilenko 2 Vladimir Sokolov 2 | |
| 3 | 25 | Antonín Kasper Sr. 7 Antonín Šváb Sr. 7 Luboš Tomíček Sr. 6 Pavel Mares 5 | |
| 4 | 1 | Bruno Bülau 1 Jochen Dinse 0 Hans Jürgen Fritz 0 Gerhard Uhlenbrock 0 |
- Great Britain and Sweden seeded to final.
World final
| Pos. | National team | Pts. | Riders | |
| 40 | Andrzej Wyglenda - 11 Antoni Woryna - 11 Marian Rose - 10 Andrzej Pogorzelski - 8 Edmund Migoś - NS | |||
| 26 | Boris Samorodov - 10 Igor Plekhanov - 6 Viktor Trofimov - 6 Farid Szajnurov - 4 Yuri Chekranov - NS | |||
| 22 | Bjorn Knutson - 11 Leif Enecrona - 4 Göte Nordin - 3 Ove Fundin - 2 Leif Larsson - 2 | |||
| 4 | 8 | Nigel Boocock - 4 Ivan Mauger - 3 Barry Briggs - 1 Terry Betts - 0 Colin Pratt - 0 |