Alexej is a given name. Notable people with the name include:
Aleksej Aleksandrov (born 1973), Belarusian chess grandmaster Alexej Barchevitch (born 1976), Russian-born German violinist Alexej Baumgärtner (born 1988), German speed skater Alexej Čepička (1910–1990), Czech Communist politician Alexej Gerassimez (born 1987), German composer Alexej Ivanko (born 1949), Slovak lawyer and politician Alexej Jaškin (born 1965), Russian-born Czech ice hockey player Alexej von Jawlensky (1864–1941) Alexej Manvelov (born 1982), Swedish actor Alexej Pludek (1923–2002), Czech writer Alexej Prochorow, German weightlifter Alexej Stachowitsch (1918–2013), Russian-American educator
See also Alexis