| Jacob Olesen | |
| Birth Date: | 1 February 1981 |
| Birth Place: | Haderslev, Denmark |
| Height: | 190 cm |
| Position: | Striker |
| Currentclub: | Viborg FF |
| Clubnumber: | 19 |
| Youthclubs1: | Haderslev FK |
| Years1: | 2000–2006 |
| Years2: | 2006–present |
| Clubs2: | Viborg FF |
| Caps1: | 68 |
| Caps2: | 18 |
| Goals1: | 45 |
| Goals2: | 8 |
| Pcupdate: | 24 September 2006 |
Jacob Olesen (born 1 February 1981) is a Danish football striker, who currently plays for the Danish Superliga side Viborg FF.
He came to Viborg FF from SønderjyskE in January 2006. In the first months of the 2006-07 Superliga season, Olesen was Viborg's top goal scorer with five goals, all on headers. He suffered a severe dislocation of the left ankle in an October 2006 game, and was out for 6 months.