National Professional Soccer League (1984–2001)

National Professional
Soccer League
FoundedApril 18, 1984
(as AISA)
Folded2001
Country United States
 Canada
Number of clubs15
Last championsMilwaukee Wave
(2000–01)

The National Professional Soccer League was a professional indoor soccer league in the U.S. and Canada. It was originally called the American Indoor Soccer Association.