Jaci is an English name for girls. The meaning is `protected` The name Jaci is most commonly given to American girls. What do they use in other countries? Jayce Jaycee (English) Jacey (English) Jacy Jacee Jaycie (English) Jacie Jaycey The name sounds like: Jacy, Jacie, Joci Similar names are: Kaci, Caci, Jacki, Jami, Laci, Maci Found on https://www.pregnology.com/names/girls/Jaci