Leithe \le(i)-the\ as a girl's name is a variant of Leith (Scottish, Gaelic), and the meaning of Leithe is "broad river".

The baby name Leithe sounds like Lethe and Leitha. Other similar baby names are Lettie, Lettee, Leisha, Blithe, Faithe, Keitha, Leigh, Letha, Leithia and Lezith.