| Karoline Borgersen | |
| Birth Date: | 1 July 1976 |
| Height: | 1.73 m |
| Plays: | Right-handed |
| Careerprizemoney: | $14,221 |
| Singlestitles: | 0 |
| Highestsinglesranking: | No. 389 (12 June 2006) |
| Doublestitles: | 3 ITF |
| Highestdoublesranking: | No. 408 (19 June 2006) |
| Team: | yes |
| Fedcupresult: | 21–18 |
Karoline Borgersen (born 1 July 1976) is a Norwegian former professional tennis player.
A right-handed player from Oslo, Borgersen debuted for the Norway Fed Cup team in 1994, but didn't tour professionally until 2004, having spent many of the previous years playing college tennis in California.[1] She started at Pepperdine, then transferred to UC Berkeley, where she was a doubles All-American in 1999-2000.[2]
Borgersen reached a best singles ranking of 389 on the professional circuit and won three ITF titles in doubles. A former Norwegian number one, she twice featured in the singles qualifying draw for the Nordic Light Open, a WTA Tour tournament held in Stockholm.
In 2006, she made her last Fed Cup appearance, having featured in a total of 26 ties, for 12 singles and nine doubles wins.[3]
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score | |
|---|---|---|---|---|---|---|---|---|
| Runner-up | 1. | 27 June 2004 | ITF Tlemcen, Algeria | Clay |  Anna-Maria Miller |  Shelley Stephens  Joanne Akl | 1–6, 0–6 | |
| Winner | 1. | 22 November 2004 | ITF Pretoria, South Africa | Hard | Leonie Mekel | Karin Schlapbach Vanessa Wellauer | 6–2, 6–4 | |
| Runner-up | 2. | 3 December 2004 | ITF Pretoria, South Africa | Hard | Leonie Mekel | Chanelle Scheepers  Melissa Berry | 2–6, 6–3, 5–7 | |
| Runner-up | 3. | 25 June 2005 | ITF Oslo, Norway | Clay |  Kristina Andlovic | Nadja Roma Johanna Larsson | 4–6, 4–6 | |
| Winner | 2. | 23 May 2006 | ITF Balș, Romania | Clay | Mari Andersson |  Raluca Ciulei Lenore Lazaroiu | 6–0, 6–1 | |
| Winner | 3. | 4 June 2006 | ITF Rousse, Bulgaria | Clay | Dia Evtimova | Biljana Pawlowa-Dimitrova Nadejda Vassileva | 6–0, 6–0 | |
| Runner-up | 4. | 29 July 2006 | ITF Gausdal, Norway | Hard | Michaela Johansson | Mari Andersson Nadja Roma | 4–6, 0–6 |