| Position: | Defence |
| Shoots: | Left |
| Height Ft: | 6 |
| Height In: | 0 |
| Weight Lb: | 190 |
| Played For: | Philadelphia Flyers Toronto Maple Leafs Washington Capitals |
| Birth Date: | May 29, 1949 |
| Birth Place: | Allan, Saskatchewan, Canada |
| Draft: | 28th overall |
| Draft Year: | 1969 |
| Draft Team: | Philadelphia Flyers |
| Career Start: | 1969 |
| Career End: | 1977 |
William James Brossart (born May 29, 1949) is a Canadian former professional ice hockey defenceman who played in the National Hockey League (NHL) with the Philadelphia Flyers, Toronto Maple Leafs and Washington Capitals between 1971 and 1976.
Brossart was drafted by the Philadelphia Flyers in the 3rd round, 28th overall, of the 1969 NHL Amateur Draft.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1967–68 | Swift Current Broncos | WCHL | 59 | 12 | 34 | 46 | 199 | — | — | — | — | — | ||
| 1968–69 | Swift Current Broncos | WCHL | 68 | 8 | 27 | 35 | 94 | 10 | 1 | 3 | 4 | 14 | ||
| 1968–69 | Estevan Bruins | WCHL | — | — | — | — | — | — | — | — | — | — | ||
| 1969–70 | Quebec Aces | AHL | 57 | 5 | 9 | 14 | 67 | 6 | 0 | 0 | 0 | 0 | ||
| 1970–71 | Philadelphia Flyers | NHL | 1 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1970–71 | Quebec Aces | AHL | 62 | 8 | 17 | 25 | 182 | 1 | 0 | 2 | 2 | 0 | ||
| 1971–72 | Philadelphia Flyers | NHL | 42 | 0 | 4 | 4 | 12 | — | — | — | — | — | ||
| 1971–72 | Richmond Robins | AHL | 29 | 3 | 14 | 17 | 76 | — | — | — | — | — | ||
| 1972–73 | Philadelphia Flyers | NHL | 4 | 0 | 1 | 1 | 0 | — | — | — | — | — | ||
| 1972–73 | Richmond Robins | AHL | 54 | 1 | 29 | 30 | 66 | 3 | 0 | 0 | 0 | 0 | ||
| 1973–74 | Toronto Maple Leafs | NHL | 17 | 0 | 1 | 1 | 20 | 1 | 0 | 0 | 0 | 0 | ||
| 1974–75 | Toronto Maple Leafs | NHL | 4 | 0 | 0 | 0 | 2 | — | — | — | — | — | ||
| 1974–75 | Washington Capitals | NHL | 12 | 1 | 0 | 1 | 14 | — | — | — | — | — | ||
| 1975–76 | Washington Capitals | NHL | 49 | 0 | 8 | 8 | 40 | — | — | — | — | — | ||
| 1975–76 | Richmond Robins | AHL | 30 | 2 | 7 | 9 | 22 | 8 | 0 | 3 | 3 | 2 | ||
| 1976–77 | Richmond Wildcats | SHL | 36 | 4 | 20 | 24 | 24 | — | — | — | — | — | ||
| 1976–77 | Baltimore Clippers | SHL | 8 | 0 | 4 | 4 | 0 | — | — | — | — | — | ||
| NHL totals | 129 | 1 | 14 | 15 | 88 | 1 | 0 | 0 | 0 | 0 | ||||