Henri Bertrand (19 January, 1892 â 1 September, 1978) was a French entomologist.
Bertrand obtained the qualification ' at the University of Bordeaux in 1912 then a ' in 1920 from the University of Paris and a doctorate in sciences in 1927. In 1936, he worked at the marine biology station in Dinard where he specialised in crustaceans. In 1944, he worked as a research director at the French National Centre for Scientific Research (CNRS) then at '. He received many prizes for his research (Prix Passet, Prix Gadeau de Kerville) and was a member of many scientific societies. He was President of the ' in 1961. He studied in particular the larvae of water beetles. He published more than 200 notes on flies, mayflies and caddisflies. In 1978 he disappeared in the Pyrenees; his corpse was discovered the following year.
In 1918 Bertrand published '; then in 1954 a two-volume work ' and in 1972 his last work, 804 pages on the '.