Toronto Croatia won the 1971 National Soccer League championship and the 1971 NSL playoff championship.
The Croatians invested $80,000 to get a championship-winning team.
On October 11 Toronto Croatia defeated Toronto Portuguese 1-0 to win the National Soccer League sudden-death final playoff.
1971 NSL Final standings – top five clubs
| GP | W | L | T | GF | GA | Pts | |
| Toronto Croatia | 26 | 22 | 1 | 3 | 58 | 14 | 47 |
| First Portuguese | 26 | 17 | 5 | 4 | 45 | 19 | 38 |
| Hamilton Croatia | 26 | 14 | 7 | 5 | 38 | 31 | 33 |
| Toronto Ukraina | 26 | 14 | 9 | 3 | 47 | 28 | 31 |
| Sudbury City | 26 | 14 | 9 | 3 | 55 | 34 | 31 |
National Soccer League 