| Jack Eastwood | |
| Country: | Canada |
| Birth Name: | John Coulter Eastwood |
| Birth Date: | 7 March 1908 |
| Birth Place: | Toronto, Ontario, Canada |
| Death Place: | Toronto, Ontario, Canada |
John Coulter Eastwood (March 7, 1908 – March 22, 1995) was a Canadian figure skater. He competed in two events at the 1928 Winter Olympics.