| Ørnulf Andresen | |
| Full Name: | Ørnulf Reidar Andresen |
| Birth Date: | 6 January 1944 |
| Birth Place: | Ski, Akershus, Norway |
Ørnulf Reidar Andresen (born 6 January 1944) is a Norwegian cyclist. He was born in Ski, and is a brother of Thorleif Andresen. He competed at the 1968 Summer Olympics in Mexico City, where he placed fifth in team trial with the Norwegian team.[1]