Heinrich Roman Riikoja (until 1924 Reichenbach; 8 March 1891 Rakke – 31 October 1988 Tartu) was an Estonian zoologist and hydrobiologist.
[1] From 1910 to 1918, he studied at the University of Tartu, initially chemistry and later natural sciences.
[1] From 1920 onward, he directed investigations of Estonian inland bodies of water.
[1] From 1922 to 1943, he was the representative of Estonia to International Society of Limnology.
This Estonian academic-related biographical article is a stub.