1990–91 National Professional Soccer League season

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.

League awards

 * Most Valuable Player: Andy Chapman, Detroit
 * Defender of the Year: Denzil Antonio, Canton
 * Rookie of the Year: Jay Rensink, Chicago, and Bryan Finnerty, Detroit
 * Goalkeeper of the Year: Jamie Swanner, Canton
 * Coach of the Year: Pato Margetic, Chicago, and Brian Tinnion, Detroit