| 1965–66 WHL season | |
| League: | Western Hockey League |
| Sport: | Ice hockey |
| Season: | Regular season |
| Finals: | Lester Patrick Cup |
| Finals Champ: | Victoria Maple Leafs |
| Finals Runner-Up: | Portland Buckaroos |
| Prevseason Year: | 1964–65 |
| Nextseason Year: | 1966–67 |
| No Of Games: | 72 |
| No Of Teams: | 6 |
| Mvp: | Billy McNeill (Vancouver) |
| Top Scorer: | Cliff Schmautz (Portland) |
The 1965–66 WHL season was the 14th season of the Western Hockey League. Six teams played a 72-game schedule, and the Victoria Maple Leafs were the Lester Patrick Cup champions, defeating the as Portland Buckaroos four games to three in the final series.
Billy McNeill of Vancouver was named the most valuable player, while Cliff Schmautz of Portland led the league in scoring.
| 1965–66 Western Hockey League | |||||
| Team | City | Arena | Capacity | ||
|---|---|---|---|---|---|
| Los Angeles Blades | Los Angeles, California | Los Angeles Sports Arena | 14,546 | ||
| Portland Buckaroos | Portland, Oregon | Memorial Coliseum | 12,000 | ||
| San Francisco Seals | San Francisco, California | Cow Palace | 11,089 | ||
| Seattle Totems | Seattle, Washington | Seattle Center Coliseum | 12,250 | ||
| Vancouver Canucks | Vancouver, British Columbia | PNE Forum | 5,050 | ||
| Victoria Maple Leafs | Victoria, British Columbia | Victoria Memorial Arena | 5,000 | ||
| Team | |||||||||
| 1 | 72 | 43 | 24 | 5 | 271 | 218 | 91 | ||
| 2 | 72 | 40 | 28 | 4 | 260 | 243 | 84 | ||
| 3 | 72 | 33 | 35 | 4 | 252 | 233 | 70 | ||
| 4 | 72 | 32 | 36 | 4 | 243 | 248 | 68 | ||
| 5 | 72 | 32 | 37 | 3 | 231 | 256 | 67 | ||
| 6 | 72 | 22 | 48 | 2 | 236 | 329 | 46 |
The Victoria Maple Leafs defeated the Portland Buckaroos 4 games to 3 to win the Lester Patrick Cup.