Giacintha \gi(a)-cin-tha, giaci-ntha\ as a girl's name is a variant of Giacinta (Italian) and Jacinda (Spanish), and the meaning of Giacintha is "hyacinth".

The baby name Giacintha sounds like Jiacintha and Giacinthia. Other similar baby names are Giacintia, Yacintha, Jacintha, Hyacintha and Giacinda.