| Sonja Ackermann-Olsen | |
| Birth Date: | 13 March 1934 |
| Nationality: | Norwegian |
| Sport: | Speed skating |
| Worlds: | 4 (1953, 1954, 1955, 1958) |
Sonja Ackermann-Olsen (13 March 1934 – 30 October 2018) was a Norwegian speed skater.
Her achievements include two overall victories at the Norwegian Allround Championships, in 1958 and 1959.[1] She participated in the World Allround Speed Skating Championships for Women four times, placing 11th in 1953, and 9th in 1954, 1955 and 1958.[2]
She died in October 2018.[3]