| Noc: | POR |
| Nocname: | Olympic Committee of Portugal |
| Games: | Winter Olympics |
| Year: | 1998 |
| Website: | |
| Location: | Nagano |
| Competitors: | 2 |
| Sports: | 2 |
| Flagbearer: | Mafalda Pereira |
| Gold: | 0 |
| Silver: | 0 |
| Bronze: | 0 |
| Officials: | 1 |
| Appearances: | auto |
Portugal competed at the 1998 Winter Olympics in Nagano, Japan.
A delegation of two competitors participated in two sports but no medal was gained.
See main article: Freestyle skiing at the 1998 Winter Olympics.
See main article: Speed skating at the 1998 Winter Olympics.