Liga ASOBAL 1997–98 season was the eighth since its establishment. A total of 14 teams (2 less than 1996–97 season) competed this season.
This season, the competition format consisted in two phases.
| Phase | Remark | |
|---|---|---|
| First | All teams competed in the first phase through 26 rounds in a round-robin format. | |
| Second | The second phase was divided in two groups; the first four teams competed for the championship, and the last four teams competed for the permanence. |