Gahl \ga-hl\ as a girl's name is a variant of Gail (Hebrew), and the meaning of Gahl is "father of exaltation".
The baby name Gahl sounds like Gal and Gael. Other similar baby names are Gayle, Gayel, Gale, Gaila, Cal, Kahle, Dail, Dael, Gavi, Gaby, Gabi, Gada, Gaea, Gala, Gaia, Gayll, Gayla, Gaill, Gaile, Galla, Gana, Gay, Gaye, Gai, Gae, Gill, Jael, Kahli, Kahla, Lael, Mal, Sal, Tal and Val.