| Season: | 1990–91 |
| Nextseason: | 1991–92 |
Liga ASOBAL 1990–91 was the first season of Liga ASOBAL. ASOBAL's governing body was established on May 18, 1990. The league was played in a two phases. In the first phase, a total of 16 teams were separate in two groups of eight teams. The first five of every groups passed to the second phase for the title. The last three passed to the second phase for the permanence in Liga ASOBAL.
| Team | P | W | D | L | G+ | G− | Dif | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Barcelona | 14 | 13 | 0 | 1 | 395 | 302 | 93 | 26 | |
| 2 | Avidesa Alzira | 14 | 12 | 0 | 2 | 380 | 319 | 61 | 24 | |
| 3 | Cacaolat Granollers | 14 | 8 | 1 | 5 | 333 | 315 | 18 | 17 | |
| 4 | Xerox Arrate | 14 | 7 | 0 | 7 | 296 | 290 | 6 | 14 | |
| 5 | Mepamsa San Antonio | 14 | 5 | 0 | 9 | 305 | 358 | –53 | 10 | |
| 6 | CajaPontevedra | 14 | 4 | 1 | 9 | 318 | 340 | –22 | 9 | |
| 7 | Plátano Canarias | 14 | 4 | 0 | 10 | 286 | 356 | –70 | 8 | |
| 8 | Ceset Naranco | 14 | 2 | 0 | 12 | 277 | 313 | –36 | 4 |
| Second Round (title) | ||
| Second Round (permanence) |
| Team | P | W | D | L | G+ | G− | Dif | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Atlético Madrid | 14 | 12 | 0 | 2 | 338 | 249 | 89 | 26 | |
| 2 | Teka | 14 | 11 | 2 | 1 | 356 | 285 | 71 | 24 | |
| 3 | Elgorriaga Bidasoa | 14 | 8 | 2 | 4 | 313 | 286 | 27 | 17 | |
| 4 | Cajamadrid | 14 | 7 | 1 | 6 | 343 | 327 | 16 | 14 | |
| 5 | Helados Alacant | 14 | 6 | 0 | 8 | 343 | 371 | –28 | 10 | |
| 6 | Puleva Maristas | 14 | 5 | 0 | 9 | 299 | 339 | –40 | 9 | |
| 7 | Michelin Valladolid | 14 | 2 | 1 | 11 | 298 | 364 | –66 | 8 | |
| 8 | Tenerife 3 Mayo | 14 | 2 | 0 | 12 | 306 | 375 | –69 | 4 |
| Second Round (title) | ||
| Second Round (permanence) |
| Team | P | W | D | L | G+ | G− | Dif | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Barcelona | 18 | 15 | 0 | 3 | 452 | 368 | 84 | 30 | |
| 2 | Teka | 18 | 12 | 2 | 4 | 417 | 368 | 49 | 26 | |
| 3 | Atlético Madrid | 18 | 12 | 1 | 5 | 391 | 368 | 23 | 25 | |
| 4 | Elgorriaga Bidasoa | 18 | 11 | 2 | 5 | 411 | 390 | 21 | 24 | |
| 5 | Avidesa Alzira | 18 | 7 | 3 | 8 | 428 | 423 | 5 | 17 | |
| 6 | Cajamadrid | 18 | 6 | 2 | 10 | 413 | 439 | –26 | 14 | |
| 7 | Cacaolat Granollers | 18 | 6 | 2 | 10 | 428 | 465 | –37 | 14 | |
| 8 | Mepamsa San Antonio | 18 | 6 | 1 | 11 | 382 | 410 | –28 | 13 | |
| 9 | Helados Alacant | 18 | 4 | 2 | 12 | 388 | 418 | –30 | 10 | |
| 10 | Xerox Arrate | 18 | 3 | 1 | 14 | 362 | 423 | –61 | 7 |
| EHF Champions League | ||
| EHF Cup Winners' Cup As Copa del Rey winner | ||
| EHF Cup As Copa ASOBAL runner-up |
| Team | P | W | D | L | G+ | G− | Dif | Pts | ||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | CajaPontevedra | 15 | 9 | 2 | 4 | 349 | 347 | 2 | 20 | |
| 2 | Puelva Maristas | 15 | 9 | 1 | 5 | 345 | 303 | 42 | 19 | |
| 3 | Tenerife 3 Mayo | 15 | 8 | 2 | 5 | 384 | 376 | 8 | 18 | |
| 4 | Michelin Valladolid | 15 | 6 | 1 | 8 | 348 | 363 | –15 | 13 | |
| 5 | Platano Canarias | 15 | 6 | 1 | 8 | 340 | 354 | –14 | 13 | |
| 6 | Ceset Naranco | 15 | 3 | 1 | 11 | 312 | 335 | –23 | 7 |
| In–Out promotion | ||
| Relegated |
| Player | Goals | Team | |
|---|---|---|---|
| Zlatko Portner | 256[1] | Barcelona | |
| Zoran Puzović | 232 | Cajamadrid | |
| Veselin Vujović | 198 | Barcelona | |
 Alfreð Gíslason | 197 | Elgorriaga Bidasoa | |
| Pero Milošević | 174 | Helados Alacant | |
 Iván Alemany | 173 | Avidesa Alzira | |
 Bogdan Wenta | 170 | Elgorriaga Bidasoa | |
| Oleg Lvov | 168 | Mepamsa San Antonio | |
| Antonio Ortega | 163 | Puleva Maristas | |
| Vasile Stîngă | 153 | Avidesa Alzira |