1990–91 National Professional Soccer League season
| Season | 1990–91 | 
|---|---|
| Champions | Chicago Power | 
| Matches played | 180 | 
| Top goalscorer | Andy Chapman (77) | 
| Average attendance | 3,494 | 
← 1989–90  1991–92 →   | |
The 1990–91 National Professional Soccer League season was the seventh season for the league and first under the name National Professional Soccer League. Teams were added in Detroit, Rockford, Illinois and Albany, New York.