Lyse \l(y)-se\ as a girl's name is a variant of Elizabeth (Hebrew), and the meaning of Lyse is "God's promise; God is my oath".

The baby name Lyse sounds like Lise and Lysa. Other similar baby names are Lesy, Lyssa, Leese, Alyse, Lyda, Lyna, Lene, Ase, Lee, Kayse, Cayse, Deyse, Lize, Liese, Elyse, Lyza, Lyssie, Lyssi, Lusa, Lisl, Lisel, Lisa, Ilse, Else, Ilyse, Loyce, Joyse, Lace, Layne, Lake, Lane, Lyla, Lynne, Lynn, Lyn, Lynsey, Lynea, Lynae, Lyzz, Lyz, Luise, Loyise, Loise, Love, Luce, Lupe, Lydie, Lyra, Nysa, Rysa, Rise, Rose and Suse.