Unn Aarrestad (born 23 June 1938 in Klepp) is a Norwegian politician for the Centre Party.
| Unn Aarrestad | |
| Birth Date: | 23 June 1938 |
| Birth Place: | Klepp, Norway |
| Nationality: | Norwegian |
| Party: | Centre Party |
| Office: | Member of the Storting |
| Constituency: | Rogaland |
| Term: | 1993–1997 |
| Office1: | Deputy member of the Storting |
| Profession: | Farmer |
She was elected to the Norwegian Parliament from Rogaland in 1993, but was not re-elected in 1997. She served in the position of deputy representative during the terms 1981–1985, 1985–1989, 1989–1993 and 1997–2001. From 1997 to 2000, however, she met as a regular representative meanwhile Magnhild Meltveit Kleppa was appointed to Kjell Magne Bondevik's first cabinet.
Aarrestad was a member of Time municipal council from 1975 to 1979, and of Rogaland county council from 1975 to 1993. She was a member of the central party board from 1981 to 1989.
Outside politics she spent most of her career as a farmer.