Østre Toten is a municipality in Oppland county, Norway. It is part of the traditional region of Toten. The administrative centre of the municipality is the village of Lena.The Old Norse form of the name was Þótn. The meaning is unknown (maybe "the pleasant district"). The meaning of the name Østre Toten is "(the) eastern (part of) Toten". (The parish Toten was divided in 1825.)
The coat-of-arms is from modern times. They were granted on 27 March 1987. The arms show a yellow-colored potato plant on a green background. The green color symbolizes the importance of agriculture, and the potato in particular, for the municipality.According to the sagas, Halfdan Hvitbeinn (Whiteleg) was the first Yngling in Norway. He conquered Romerike, part of Hedmark, part of Vestfold, and Toten. He was killed in Toten around the year 740.