| Position: | Left wing |
| Played For: | New York Americans |
| Shoots: | Left |
| Height Ft: | 5 |
| Height In: | 9 |
| Weight Lb: | 165 |
| Birth Date: | 1904 7, mf=yes |
| Birth Place: | Waterloo, Ontario, Canada |
| Career Start: | 1925 |
| Career End: | 1937 |
George Sheldon Massecar (July 10, 1904 — July 14, 1957) was a Canadian ice hockey player who played 100 games in the National Hockey League for the New York Americans between 1929 and 1932. The rest of his career, which lasted from 1925 to 1937, was spent in various minor leagues.
| Regular season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | League | GP | PIM | GP | G | A | Pts | PIM | |||||
| 1925–26 | Niagara Falls Cataracts | OHA Sr | 19 | 4 | 3 | 7 | 10 | — | — | — | — | — | ||
| 1926–27 | Niagara Falls Cataracts | Can-Pro | 24 | 9 | 3 | 12 | 16 | — | — | — | — | — | ||
| 1927–28 | Niagara Falls Cataracts | Can-Pro | 40 | 6 | 3 | 9 | 25 | — | — | — | — | — | ||
| 1928–29 | New Haven Eagles | Can-Am | 40 | 8 | 1 | 9 | 39 | 2 | 0 | 0 | 0 | 4 | ||
| 1929–30 | New York Americans | NHL | 43 | 7 | 3 | 10 | 18 | — | — | — | — | — | ||
| 1930–31 | New York Americans | NHL | 43 | 4 | 7 | 11 | 16 | — | — | — | — | — | ||
| 1931–32 | New York Americans | NHL | 14 | 1 | 1 | 2 | 12 | — | — | — | — | — | ||
| 1931–32 | Bronx Tigers | Can-Am | 21 | 5 | 2 | 7 | 16 | 2 | 0 | 0 | 0 | 4 | ||
| 1932–33 | St. Louis Flyers | AHA | 45 | 14 | 21 | 35 | 14 | 4 | 4 | 0 | 4 | 8 | ||
| 1933–34 | Detroit Olympics | IHL | 44 | 10 | 12 | 22 | 13 | 6 | 1 | 1 | 2 | 0 | ||
| 1934–35 | Buffalo Bisons | IHL | 43 | 9 | 7 | 16 | 4 | — | — | — | — | — | ||
| 1935–36 | Buffalo Bisons | IHL | 48 | 10 | 11 | 21 | 12 | 5 | 1 | 0 | 1 | 0 | ||
| 1936–37 | Buffalo Bisons | IAHL | 11 | 1 | 0 | 1 | 0 | — | — | — | — | — | ||
| NHL totals | 100 | 12 | 11 | 23 | 46 | — | — | — | — | |||||