Tyge Wittrock Böcher (25 October 1909 – 15 March 1983) was a Danish botanist, evolutionary biologist, plant ecologist and phytogeographer. He was born in Copenhagen to physician Einar Böcher and wife Cathinca née Andersen. Steen B. Böcher, professor of geography, was his brother. He was a co-founder of Flora Europaea and he authored the Flora of Greenland (1968). The genus Boechera Á.Löve & D.Löve is named after him. The standard author abbreviation Böcher is used to indicate this person as the author when citing a botanical name.