| Anders C. Sjaastad | |
| Office: | Member of the Norwegian Parliament |
| Term Start: | 1 October 1993 |
| Term End: | 30 September 1997 |
| Constituency: | Oslo |
| Office2: | Minister of Defence |
| Term Start2: | 14 October 1981 |
| Term End2: | 25 April 1986 |
| Primeminister2: | Kåre Willoch |
| Predecessor2: | Thorvald Stoltenberg |
| Successor2: | Rolf Presthus |
| Birth Name: | Anders Christian Sjaastad |
| Birth Date: | 21 February 1942 |
| Birth Place: | Oslo, Norway |
| Party: | Conservative Party |
Anders Christian Sjaastad (born 21 February 1942) is a Norwegian politician for the Conservative Party, and a parliamentary representative for Oslo from 1993–1997. He was Minister of Defense from 1981–1986.