Hyacinth \hya-cin-th, hyaci-nth\ as a girl's name is pronounced HYE-a-cinth. It is of Greek origin. Name of a flower and a color that rangers from sapphire to violet. A saint's name (third century).

Hyacinth has 19 variant forms: Cintha, Cinthia, Cinthie, Cinthy, Giacinta, Giacintia, Hyacintha, Hyacinthe, Hyacinthia, Hyacinthie, Hyacintia, Jacenta, Jacinda, Jacinta, Jacintha, Jacinthe, Jackie, Jacky and Jacynth.