| Robert Kerštajn | |
| Nationality: | Slovenian |
| Sport: | Cross-country skiing |
| Birth Date: | 5 September 1967 |
| Birth Place: | Kranjska Gora, Yugoslavia |
Robert Kerštajn (born 5 September 1967) is a Slovenian cross-country skier. He competed in the men's 10 kilometre classical event at the 1992 Winter Olympics.[1]