Yermolay (Russian: Ермолай) is a Russian masculine given name. It is also written as Ermolai, Ermolay, and Yermolai.
Yermolay is derived from the Greek Ἑρμόλαος (Hermolaos), meaning "the people of Hermes".
Diminutives of the name include Yermolayka (Ермолайка); Yermola (Ермола); Yerma (Ерма); Yermokha (Ермоха); Yermosha (Ермоша). It is the basis of patronymic surnames Yarmolenko, Yermolayev, Yermolenko, Yermolin, Yermolkin, Yermolov, Yermolyev, Yermoshin.
People with the given name Yermolay include: