In the Unknown origin, Juul means "Juul \juul\ as a boy's name.
The baby name Juul sounds like Jael, Joel, Jule, July and Juli. Other similar baby names are Buhl, Buel, Jarl, Juan, Judd, Jud, Jubal, Jude, June, Juri, Paul, Poul, Raul, Roul, Ruel and Saul."