| Arnold Koop | |
| Office: | Chairman of the Supreme Soviet of the Estonian Soviet Socialist Republic |
| Term Start: | 19 March 1967 |
| Term End: | 13 June 1971 |
| Alongside: | Ilmar Vahe |
| Predecessor: | Vaino Väljas |
| Successor: | Ilmar Vahe |
| Birth Date: | 16 July 1922 |
| Birth Place: | Saint Petersburg Governorate |
| Death Place: | Moscow, Soviet Union |
| Party: | CPSU |
Arnold Koop (16 July 1922, Saint Petersburg Governorate – 21 April 1988 Moscow) was a Soviet Estonian pedagog and Communist Party functionary.[1]
From 1960 until 1968 he was the rector of Tallinn Pedagogical Institute. 1970-1988 he was the rector of the University of Tartu. Koop was known as ideologically orthodox Communist, who supported Neo-Stalinist tightening up policies of the 1970's Brezhnevian era.[2]