Erik Edlund (14.03.1819-19.03.1888) was a Swedish physicist and a member of the Royal Swedish Academy of Sciences. He was born in Närke. He worked at the Academy of Sciences and the Higher Technical School in Stockholm, and in 1858—73 at the meteorological station.
His research was in the field of induction, polarisation, telegraphy, atmospheric electricity and thermoelectricity. In 1875 he invented the depolariser.
A foreign member of the St Petersburg Academy of Sciences (1870).