The girl's name Joi \joi\ is a variant of Joie and Joy.
The baby name Joi sounds like Jo and Joia. Other similar baby names are Joni, Jobi, Jodi, Joli and Jori.
Joi is a popular female first name and a very rare surname (source: 1990 U.S. Census). Displayed below is the baby name popularity trend for the girl's name Joi. Click here to compare Joi with related baby names.