Karel Domin (4 May 1882 – 10 June 1953) was a Czech botanist and politician.

He became a member at the Czechoslovak Academy of Sciences, published many scientific works and founded a botany institute at the university.

[2] In the academic year 1933–34 he was rector of Charles University and was one of the participants of a struggle for ancient academic insignia between the Czech and German universities of Prague (the insigniáda) that resulted in street-fights and looting.

From 1935 to 1939, he was a member of parliament; after the Munich Agreement, he co-founded a traditionalist political movement (Akce národní obrody).

He is considered the man who is the most responsible for the creation of Tatra National Park.