Aleksey is the Slavic form of Alexios, a Greek name meaning defender or helper.
Aleksey is the distinctly Russian and Eastern Slavic form of Alexis, a name that traces its lineage back to the ancient Greek Alexios, derived from the verb alexein, meaning 'to defend' or 'to protect.' The Greek form was borne by early Christian saints, which carried it eastward along Byzantine trade and missionary routes into Slavic lands, where it took on the warm, rolling phonology of Russian. The name became deeply embedded in Russian culture and aristocracy—Aleksey Mikhailovich was the Romanov tsar who ruled Russia in the 17th century and fathered Peter the Great, and Aleksey Nikolayevich, the hemophiliac son of Nicholas II, was among the last of the imperial family.
In Russian literature, the name carries extraordinary weight. Dostoyevsky gave us Aleksey Fyodorovich Karamazov—Alyosha—the youngest and most spiritually luminous brother in The Brothers Karamazov, a figure of almost saintlike compassion and moral clarity. Tolstoy's works also feature Alexei characters navigating the treacherous currents of Russian society.
The name thus became associated in the literary imagination with depth, soulfulness, and an interior life of unusual richness. In the 21st century, Aleksey gained fresh international recognition through Aleksey Navalny, the Russian opposition leader whose moral courage under persecution made headlines worldwide. For name-seekers in the West, the spelling Aleksey signals a deliberate connection to Slavic heritage—preferred over the anglicized Alexis or Alexei precisely because of its phonetic authenticity. It is a name that wears its history visibly, connecting a child to a long lineage of defenders, tsars, saints, and soulful literary figures.