Evgeny Onegin is a novel in verse written by the Russian poet Alexander Pushkin in the early 19th century. The story follows the life of a disenchanted aristocrat, Evgeny Onegin, who becomes embroiled in a love triangle with Tatyana Larina, a naive country girl, and Vladimir Lensky, a passionate young poet. The narrative explores themes of love, regret, and the consequences of one's choices. Set against the backdrop of Russian society, the work is celebrated for its rich character development and lyrical beauty, making it a cornerstone of Russian literature.