Jiacintha \ji(a)-cin-tha, jiaci-ntha\ as a girl's name is a variant of Giacinta (Italian), and the meaning of Jiacintha is "hyacinth".
The baby name Jiacintha sounds like Jacintha and Giacintha. Other similar baby names are Yacintha, Jacinta, Jacinthe, Hyacintha, Giacintia, Jacyntha, Jacinthia, Jacinth and Giacinthia.