Juliana \j(u)-lia-na\ as a girl's name is pronounced joo-lee-AH-nah. It is of Latin origin, and the meaning of Juliana is "youthful; Jove's child". Feminine form of Julius or Julian. First used in the early Christian era. Saint Juliana of Florence (14th century). Also a royal name in the Netherlands. See also Julian, Gillian, Jillian, and Julie. Actresses Juliet Phillips, Juliet Moore, Julianne Margulies.