Hermund Eian (3 December 1927 - 26 January 1983) was a Norwegian politician for the Conservative Party.
He was born in Roan.
He was elected to the Norwegian Parliament from Sør-Trøndelag in 1969, and was re-elected on three occasions. Halfway through his fourth term, he died and was replaced by Harald Ellefsen.
Eian was a deputy member of Roan municipality council during the term 1967 - 1971, and then a member of its executive committee in 1971 - 1975.