Henrik Koppel (Germanized as Heinrich Koppel; 29 December 1863 Tõnuküla, Uusna Parish – 14 December 1944 Tallinn) was an Estonian medical researcher who served as a rector of the University of Tartu.
[1] Koppel was born in Naela farm in Uusna municipality, Viljandi County.
After studies in the local municipal school, he went to Viljandi, and then Tartu where he graduated in 1884.
[1] He worked on his doctorate and became a private medical practitioner specialising in ear, nose and throat.
He was also involved in nature conservation and was a founding member of the Estonian Ornithological Society in 1921.