Ilja is a Russian form of Elias.
Ilja is also a Russian form of the English and Hebrew Elijah.
Ilja is unusual as a baby name for boys. It is not ranked within the top 1000 names. Among the group of boy names directly linked to Ilja, Elijah was the most popular in 2018.
Baby names that sound like Ilja include Ilyas (Arabic, Greek, and Turkish), Eelis (Finnish), Elga, Elice, Ilias (Greek), Eelia (Russian), Eleisha (Hebrew), Elijah (English and Hebrew), Elisha (English and Hebrew), Eelusha (Russian), Elicio (Italian), and Illés (Hungarian).
† approx English pronunciation for Ilja: IH as in "it (IH.T)" ; L as in "lay (L.EY)" ; Y as in "you (Y.UW)" ; AH as in "mud (M.AH.D)"