Prvenstvo je igrano po istom sistemu kao prethodno, a isti je bio i prvak - naš Partizan. Titula (i dupla kruna) je odbranjena u vrlo jakoj konkurenciji, s obzirom da je od ove sezone klubovima bilo dozvoljeno dovođenje dvojice stranih igrača. To pravo su iskoristila oba naša najveća rivala, Vojvodina i Mladost, ali Partizan ne. Dovodili smo i mi na probu dvojicu bugarskih odbojkaša, koji, međutim, nisu zadovoljili. Partizan je sačuvao tim iz prošle sezone, a bilo je pojačanja, a najveća su bili Sabahudin Peljto i tada 17 - togodišnji Goran Vujević. Stiglo je i nekoliko mladih i neafirmisanih igrača, od kojih će najdublji trag u klubu ostaviti Bojan Kostandinović. Ipak, najznačajnija novina, bila promena na trenerskoj klupi, gde je uspešnog Slavoljuba Markovića, zamenio legendarni Vladimir Bogoevski.
Partizanopedia
Odbojka
1990-91
Tabela, prva faza:
| 1. | Partizan | 26 | 14 | 13 | 1 | 40 | 14 | +26 | 2. | Vojvodina | 26 | 14 | 13 | 1 | 40 | 16 | +24 |
| 3. | Bosna | 14 | 14 | 7 | 7 | 29 | 25 | +4 |
| 4. | Mladost Monter | 14 | 14 | 7 | 7 | 28 | 28 | 0 |
| 5. | Željezničar | 10 | 14 | 5 | 9 | 19 | 33 | -14 |
| 6. | Tehnomobil (Maribor) | 8 | 14 | 4 | 10 | 22 | 33 | -11 |
| 7. | Crvena zvezda | 8 | 14 | 4 | 10 | 23 | 35 | -12 |
| 8. | Euroinvest (Kraljevo) | 6 | 14 | 3 | 11 | 19 | 36 | -17 |
Trener: Vladimir Bogoevski
Igrali su:
| Željko Tanasković (23) | 28 |
| Bojan Milić | 28 |
| Mirko Čulić (27) | 27 |
| Mihajlo Milutinović (23) | 26 |
| Vladimir Kocić | 25 |
| Zoran Luković | 25 |
| Sabahudin Peljto | 23 |
| Goran Vujević (17) | 17 |
| Igor Kolaković (25) | 11 |
| Dragan Vujović | 2 |
Utakmice 1. faza:
| 1. | 13. 10. 1990. | Partizan | 3 - 0 | Euroinvest | 15:3, 15:11, 15:4 | |
| 2. | 20. 10. 1990. | Mladost | 1 - 3 | Partizan | 10:15, 14:16, 15:13, 9:15 | |
| 3. | 31. 10. 1990. | Partizan | 3 - 1 | Crvena zvezda | 15:6, 9:15, 15:1, 15:4 | |
| 4. | 07. 11. 1990. | Željezničar | 0 - 3 | Partizan | 11:15, 3:15, 6:15 | |
| 5. | 14. 11. 1990. | Partizan | 3 - 2 | Bosna | 15:12, 7:15, 9:15, 15:2, 15:13 | |
| 6. | 18. 11. 1990. | Partizan | 1 - 3 | Vojvodina | 8:15, 13:15, 17:15, 5:15 | |
| 7. | 21. 11. 1990. | Tehnomobil | 0 - 3 | Partizan | 0:15, 13:15, 11:15 | |
| 8. | 24. 11. 1990. | Euroinvest | 1 - 3 | Partizan | 15:10, 10:15, 12:15, 13:15 | |
| 9. | 28. 11. 1990. | Partizan | 3 - 0 | Mladost | 15:10, 15:5, 15:4 | |
| 10. | 05. 12. 1990. | Crvena zvezda | 1 - 3 | Partizan | 9:15, 9:15, 15:3, 6:15 | |
| 11. | 12. 12. 1990. | Partizan | 3 - 0 | Željezničar | 15:11, 10:15, 17:15, 15:6 | |
| 12. | 16. 12. 1990. | Bosna | 2 - 3 | Partizan | 15:12, 10:15, 4:15, 15:5, 12:15 | |
| 13. | 05. 01. 1991. | Vojvodina | 1 - 3 | Partizan | 17:15, 13:15, 11:15, 14:16 | |
| 14. | 12. 01. 1991. | Partizan | 3 - 1 | Tehnomobil | 15:4, 15:6, 11:15, 15:9 |
Tabela posle 2. faze:
| 1. | Partizan | 38 | 20 | 19 | 1 | 58 | 22 | +36 | 2. | Vojvodina | 32 | 20 | 16 | 4 | 53 | 26 | +27 |
| 3. | Mladost Monter | 20 | 20 | 10 | 10 | 41 | 41 | 0 |
| 4. | Bosna | 14 | 20 | 7 | 13 | 35 | 43 | -8 |
Utakmice 2. faza:
| 15. | 20. 01. 1991. | Partizan | 3 - 2 | Mladost | 15:9, 15:5, 6:15, 6:15, 15:13 | |
| 16. | 26. 01. 1991. | Partizan | 3 - 1 | Vojvodina | 10:15, 15:11, 15:9, 15:5 | |
| 17. | 03. 02. 1991. | Bosna | 0 - 3 | Partizan | 9:15, 12:15, 3:15 | |
| 18. | 10. 02. 1991. | Mladost | 1 - 3 | Partizan | 13:15, 11:15, 15:7, 16:14, 9:15 | |
| 19. | 16. 02. 1991. | Vojvodina | 2 - 3 | Partizan | 15:12, 14:16, 15:4, 13:15, 15:11, 16:18 | |
| 20. | 23. 02. 1991. | Partizan | 3 - 2 | Bosna | 10:15, 15:11, 15:9, 15:5 |
Plej of:
| 1/4 I | 02. 03. 1991. | Partizan | 3 - 0 | Pionir | 15:12, 15:5, 15:7 | |
| 1/4 II | 06. 03. 1991. | Pionir | 0 - 3 | Partizan | 11:15, 10:15, 9:15 | |
| PF I | 13. 03. 1991. | Partizan | 3 - 1 | Bosna | 13:15, 15:10, 15:6, 15:4 | |
| PF II | 16. 03. 1991. | Bosna | 3 - 2 | Partizan | 15:13, 13:15, 13:15, 15:11, 15:10 | |
| PF III | 20. 03. 1991. | Partizan | 3 - 0 | Bosna | 15:5, 15:9, 15:3 | |
| F I | 23. 03. 1991. | Partizan | 3 - 0 | Vojvodina | 15:11, 15:11, 16:14 | |
| F II | 27. 03. 1991. | Vojvodina | 3 - 2 | Partizan | 12:15, 3:15, 15:12, 15:9, 15:11 | |
| F III | 30. 03. 1991. | Partizan | 3 - 0 | Vojvodina | 15:8, 15:13, 15:7 |
Kup Jugoslavije (1.):
| PFT 1. | 26. 10. 1990. | Partizan | 3 - 1 | Strumica | 15:5, 15:4, 15:12 | |
| PFT 2. | 27. 10. 1990. | Partizan | 3 - 1 | Euroinvest | 9:15, 16:14, 15:6, 15:0 | |
| PFT 3. | 28. 10. 1990. | Partizan | 3 - 0 | Željezničar | 15:7, 15:13, 15:8 | |
| FT 1. | 20. 12. 1990. | Partizan | 3 - 1 | Vojvodina | 15:9, 11:15, 15:4, 15:13 | |
| FT 2. | 21. 12. 1990. | Partizan | 3 - 2 | Mladost | 15:7, 15:1, 10:15, 8:15, 15:10 | |
| FT 3. | 22. 12. 1990. | Partizan | 3 - 0 | Crvena zvezda | 15:4, 15:3, 15:9 |
Kup evropskih šampiona:
| 1/16 I | 03. 11. 1990. | Partizan | 3 - 0 | Eczacibasi | 15:11, 15:7, 15:5 | |
| 1/16 II | 10. 11. 1990. | Eczacibasi | 3 - 1 | Partizan | 9:15, 15:13, 15:10, 17:15 | |
| 1/8 I | 01. 12. 1990. | Makabi | 0 - 3 | Partizan | 8:15, 3:15, 8:15 | |
| 1/8 II | 08. 12. 1990. | Partizan | 3 - 0 | Makabi | 15:8, 15:10, 15:11 | |
| 1. | 09. 01. 1991. | Partizan | 3 - 2 | Bayer 04 | 15:5, 11:15, 5:15, 15:11, 15:13 | |
| 2. | 16. 01. 1991. | AS Cannes | 3 - 1 | Partizan | 15:5, 15:8, 13:15, 15:6 | |
| 3. | 23. 01. 1991. | Partizan | 1 - 3 | Maxicono | 1:15, 15:17, 15:6, 5:15 | |
| 4. | 06. 02. 1991. | Partizan | 0 - 3 | AS Cannes | 6:15, 5:15, 10:15 | |
| 5. | 13. 02. 1991. | Maxicono | 3 - 0 | Partizan | 15:11, 15:10, 15:12 | |
| 6. | 20. 02. 1991. | Bayer 04 | 3 - 0 | Partizan | 15:13, 15:11, 15:13 |