Aleksej () is a Serbo-Croatian and Belarusian masculine given name, a variant of Greek Alexis and Alexios (Latinized form Alexius). The name Aljoša is a diminutive of the name. It may refer to: Aleksej Nešović, Serbian basketballer Aleksej Nikolić, Slovenian basketballer Aleksej Aleksandrov, Belarusian chess player See also Alexey, Russian variant Aleksejs, Latvian variant Aleksije, Serbian variant Serbian masculine given names Belarusian masculine given names