Trude Dybendahl (born 8 January 1966), sometimes listed as Trude Dybendahl-Hartz or Trude Dybendahl Hartz, is a former Norwegian cross-country skier who competed from 1986 to 1998.
She won three silver medals in the 4 × 5 km relay at the Winter Olympics (1988, 1992, 1994).
Her best individual Olympic finish was fourth in the 30 km event in 1994.
Dybendahl also won six medals at the FIS Nordic World Ski Championships with one gold (5 km: 1991), two silvers (15 km: 1991, 4 × 5 km relay: 1997), and three bronzes (4 × 5 km relay: 1991, 1993; 5 km: 1993).
She also won the 20 km double pursuit event at the 1990 Holmenkollen ski festival.
During her career, Dybendahl represented Kjelsås IL in Oslo.