Ja- \ja\ as a girl's name (also used as boy's name Ja-), is pronounced ja. It is of American origin. Combination of the Ja- prefix with various endings. Pronunciation emphasis is on the second syllable, which may or may not begin with a capital. See also Jae, Janae, Janessa, Je- and Jo.

Ja- has 43 variant forms: Jacodi, Jaconda, Jakayla, Jakeisha, Jakira, Jakisha, Jakiya, Jalaina, Jalaine, Jalayna, Jalea, Jaleesa, Jaleese, Jalena, Jalessa, Jalicia, Jalisa, Jalissa, Jaliyah, Jalyn, Jamaine, Jamari, Jameisha, Jameka, Jamesha, Jamiesha, Jamika, Jamisha, Janecia, Janeesa, Janeese, Janeille, Janiel, Janielle, Janika, Janique, Janisha, Janisha, Janora, Jarae, Jaral, Javona and Jazelle.

Baby names that sound like Ja- are Jay, Jaya, Jey, Jeh, Jaye, Joi and Joy.