| Trond Eliassen | |
| Birth Date: | 10 October 1922 |
| Birth Place: | Kristiania, Norway |
| Occupation: | Architect |
| Parents: | Georg Eliassen |
| Relatives: | Arnt Eliassen (brother) Anton Eliassen (nephew) |
| Awards: | Order of St. Olav |
Trond Eliassen (10 October 1922 – 13 November 2024) was a Norwegian architect.
Eliassen was born in Kristiania to architect Georg Eliassen and artist Helfrid Beda Andrea Strömberg, and is a brother of meteorologist Arnt Eliassen. In 1947 he started an architectural company jointly with Birger Lambertz-Nilssen. Their designs include the county hospitals of Vest-Agder, Aust-Agder and Telemark, the Sandefjord town hall, and the Norwegian Maritime Museum. Eliassen was decorated Knight, First Class of the Order of St. Olav in 1983.[1] [2] Eliassen died on 13 November 2024, at the age of 102.[3]