Johannes Botvid Elias Melin

Johannes Botvid Elias Melin, (born July 28, 1889 in , in what was then Skaraborg County, Sweden, died March 22, 1979 in in Uppsala) was a Swedish botanist and professor.

Melin defended his PhD at Uppsala University in 1917. His thesis was Studies on the vegetation of the northern marshlands with special regard to their forest vegetation after drainage. He later became professor of physiological botany at the university.

Elias Melin was the son of Samuel Melin, a priest ("contract dean") in the Church of Sweden, and Hilda Melin, née Stenborg. Some of his siblings also became priests.

He was a member of the Royal Swedish Academy of Sciences.