Evgenii Borisovich Alexeev (Russian: Евгений Борисович Алексеев) was a Soviet botanist.
In 1973, working under Professor Alexey Konstantinovich Skvortsov he defended his PhD thesis, titled "Systematics fescues group Intravaginales Hack.
According to his requests herbarium specimens were sent to Moscow from London, New York, Paris, Copenhagen, Geneva, Washington and other botanical repositories.
These include "Fescue Caucasus" (1980) and part of the "Guide to the Plants Meshchora."
As a doctoral dissertation he prepared an iconography of fescues, which remained unfinished.