The name Giacinta is a girl's name of Italian origin meaning "hyacinth". Giacinta and is often added to lists like Gorgeous Flower Names for Babies and discussed in our forums with posts like "Baby a Day".
From the experts:
Giacinta is as pretty in its way as Jacinta, the Spanish name for the same purple flower, and is also a saint's name. Gia is the nickname it shares with all Gia-starting names.