1991 National Soccer League season

National Soccer League
Season1991
ChampionsToronto Italia (12th title)
League CupToronto Argentina
Top goalscorerGerry Vande Merwe (14)
Best goalkeeperPaulo Silva
1990
1992

The 1991 National Soccer League season was the sixty-eighth season under the National Soccer League (NSL) name. The season concluded on September 22, 1991, with Toronto Italia securing the NSL Championship by finishing first in the standings by a single-point difference between Scarborough International and St. Catharines Roma.

The NSL Ontario Cup was claimed by Toronto Argentina after defeating the Toronto Jets at Lamport Stadium in Toronto, Ontario. The Toronto side would also add the NSL Canadian Cup to their résumé by defeating the Montreal Dollard at Complexe sportif Claude-Robillard in Montreal, Quebec.