Henning Mourier Lemche (August 11, 1904, Copenhagen – August 4, 1977) was a Danish zoologist.
Henning Mourier Lemche was the son of Søren Jacobsen and Inge Jacobsen née Mourier. He was educated at the University of Copenhagen, where he received his doctorate in 1937. He married Inger Sodemann on April 17, 1932. They had three children.
From 1924 to 1948, he worked in of the Laboratory of Zoology at the Royal Veterinary and Agricultural University located in Frederiksberg, Denmark. Starting in 1949, he worked in the Department of Zoology at the University of Copenhagen. He became Curator of Molluscs at the Zoological Museum in 1955, and Master Assistant in 1962.
After 1948, he was a member of the International Commission on Zoological Nomenclature.
He wrote Fra Molekyle til Menneske (1945) and many scientific papers. He was interested in insects as well as nudibranchs. Henning Mourier Lemche discovered the mollusc Neopilina galatheae, one of the three last living species that are descendants of a fossil species group. The cephalopods were then thought to have evolved from a monoplacophoran-like ancestor with a curved, tapering shell.
The World Register of Marine Species lists 14 marine species named by Henning Mourier Lemche. and 9 species named after him