| Natsue Seki | |
| Birth Date: | 10 June 1966 |
| Birth Place: | Mukawa, Hokkaido, Japan |
| Country: | Japan |
| Sport: | Speed skating, cycling |
| Headercolor: | lightsteelblue |
| Show-Medals: | yes |
is a Japanese former athlete. She competed in the cycling at the 1988 Summer Olympics and the speed skating at the 1988 Winter Olympics.[1]