ENThe etymological ambiguity of the Lithuanian proper name Jõnas is dealt with in the article. On the one hand, it derives, as its European equivalents, from the Hebrew Jōhānān-, nevertheless, on the other hand, it could be connected also with Lettish Jānis, with Latin Iānus, iānua and Sanskrit уāпа- ‘gait, way’ (IE *iā-no-s) and, consequently, derived from the Lithuanian verb jóti ‘ride, go on horseback’