| Sport: | Artistic gymnastics, Diving |
| Birth Date: | 16 January 1893 |
| Birth Place: | Bergen, Norway |
| Death Place: | Tvedestrand, Norway |
Alfred Bertran Engelsen (16 January 1893 - 13 September 1966) was a Norwegian gymnast and diver who competed in the 1912 Summer Olympics. He was born in Bergen and died in Tvedestrand.[1]
Engelsen was part of the Norwegian team, which won the gold medal in the gymnastics men's team, free system event. He also competed in the plain high diving event but was eliminated in the first round.[2]