1990 World Lacrosse Championship
| Tournament details | |
|---|---|
| Host country | Australia |
| Venue(s) | WACA Ground, Perth |
| Dates | July 7–15 |
| Teams | 5 |
| Final positions | |
| Champions | United States (5th title) |
| Runners-up | Canada |
| Third place | Australia |
| Fourth place | England |
The 1990 World Lacrosse Championship was the sixth World Lacrosse Championship and was played at the WACA Ground in Perth, Western Australia, from July 7–15, 1990. The United States defeated Canada 19-15 in the final to win the tournament. The Iroquois Nationals became the fifth team to participate in the tournament.