Leen is a Dutch name for girls. The meaning is `strong like a lion` The name Leen is most commonly given to Flemish girls. (11 times more often than to American girls.) Leen is given to boys and girls in the Netherlands The name sounds like: Leena, Lena, Leana, Leenah, Lene, Leeann, Leann, Leyna, Leina, Lenna, Leona, Leone, Leeona, Leoni, Lin, Lynn...