Meaning and name origin
Ilonka \i-lon-ka, il(o)-nka\ as a girl's name is of Hebrew, Hungarian and Greek origin, and the meaning of Ilonka is "oak tree; sun ray". Ilonka is a variant of Alona (Hebrew). Also a variant of Ilona (Hungarian, Greek): variant of Helen.
Ilonka is not a popular first name for females and an equally uncommon surname or last name for all people (2000 U.S. Census).
Displayed below is the baby name popularity of the name Ilonka for girls (2014 statistics).