| Position: | Centre |
| Shoots: | Right |
| Height Ft: | 6 |
| Height In: | 0 |
| Weight Lb: | 200 |
| Played For: | Montreal Canadiens New York Americans Edmonton Eskimos |
| Birth Date: | 9 February 1899 |
| Birth Place: | Portage la Prairie, Manitoba, Canada |
| Death Place: | near Ridgeway, Ontario, Canada |
| Career Start: | 1921 |
| Career End: | 1936 |
William Orser Holmes (February 9, 1899 – March 14, 1961) was a Canadian ice hockey centre who played 51 games in the National Hockey League (NHL) for the Montreal Canadiens and the New York Americans between 1925 and 1930. The rest of his career, which lasted from 1921 to 1936, was spent in various minor leagues.
Holmes was born in Portage la Prairie, a city in the Central Plains Region of Manitoba.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1921–22 | Brandon Elks | MHL | 12 | 8 | 1 | 9 | 4 | 2 | 0 | 0 | 0 | 6 | ||
| 1921–22 | Brandon Elks | Al-Cup | — | — | — | — | — | 4 | 4 | 1 | 5 | 0 | ||
| 1922–23 | Brandon Elks | MHL | 16 | 16 | 2 | 18 | 19 | — | — | — | — | — | ||
| 1923–24 | Brandon Wheat Kings | MHL | 11 | 1 | 2 | 3 | 5 | 3 | 0 | 1 | 1 | 6 | ||
| 1924–25 | Edmonton Eskimos | WCHL | 6 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1925–26 | Montreal Canadiens | NHL | 9 | 1 | 0 | 1 | 4 | — | — | — | — | — | ||
| 1926–27 | Niagara Falls Cataracts | Can-Pro | 25 | 20 | 4 | 25 | 51 | — | — | — | — | — | ||
| 1927–28 | Niagara Falls Cataracts | Can-Pro | 18 | 8 | 2 | 10 | 46 | — | — | — | — | — | ||
| 1927–28 | London Panthers | Can-Pro | 23 | 14 | 2 | 16 | 42 | — | — | — | — | — | ||
| 1928–29 | New Haven Eagles | Can-Am | 38 | 9 | 6 | 15 | 76 | 2 | 1 | 0 | 1 | 8 | ||
| 1929–30 | New York Americans | NHL | 42 | 5 | 4 | 9 | 33 | — | — | — | — | — | ||
| 1930–31 | Syracuse Stars | IHL | 48 | 19 | 37 | 56 | 61 | — | — | — | — | — | ||
| 1931–32 | Buffalo Majors | AHA | 19 | 1 | 0 | 1 | 6 | — | — | — | — | — | ||
| 1931–32 | Cleveland Indians | IHL | 1 | 0 | 0 | 0 | 0 | — | — | — | — | — | ||
| 1931–32 | Pittsburgh Yellowjackets | IHL | 5 | 1 | 0 | 1 | 2 | — | — | — | — | — | ||
| 1933–34 | Syracuse Stars | IHL | 16 | 3 | 2 | 5 | 4 | — | — | — | — | — | ||
| 1934–35 | London Tecumsehs | IHL | 6 | 1 | 1 | 2 | 6 | — | — | — | — | — | ||
| 1934–35 | New Haven Eagles | Can-Am | 39 | 11 | 19 | 30 | 11 | — | — | — | — | — | ||
| 1935–36 | Pittsburgh Shamrocks | IHL | 21 | 1 | 4 | 5 | 8 | — | — | — | — | — | ||
| NHL totals | 51 | 6 | 4 | 10 | 37 | — | — | — | — | — | ||||