Charles Tate Regan

{{Short description|British zoologist (1878–1943)}}

{{Use dmy dates|date=March 2022}}

{{Use British English|date=June 2012}}

{{Infobox person

|name = Charles Regan

|honorific_suffix= FRS

|image = Charles Tate Regan Queens' College Cambridge Football Team 1900-1901.jpg

|caption =

|birth_date = {{birth-date|1 February 1878}}

|birth_place = Sherborne

|death_date = {{death-date and age|12 January 1943|1 February 1878}}

|death_place =

|other_names =

|known_for = fish classification schemes

|occupation = ichthyologist

|nationality = British

}}

Charles Tate Regan (1 February 1878 – 12 January 1943) was a British ichthyologist, working mainly around the beginning of the 20th century. He did extensive work on fish classification schemes.

Born in Sherborne, Dorset, he was educated at Derby School and Queens' College, Cambridge and in 1901 joined the staff of the Natural History Museum, where he became Keeper of Zoology, and later director of the entire museum, in which role he served from 1927 to 1938.

Regan was elected Fellow of the Royal Society in 1917.{{Cite journal | last1 = Burne | first1 = R. H. | last2 = Norman | first2 = J. R. | doi = 10.1098/rsbm.1943.0012 | title = Charles Tate Regan. 1878–1943 | journal = Obituary Notices of Fellows of the Royal Society | volume = 4 | issue = 12 | pages = 411 | year = 1943 | s2cid = 162238304 }}

Regan mentored a number of scientists, among them Ethelwynn Trewavas, who continued his work at the British Natural History Museum.