Joana Campos Ceddia was born on June 21, 2001, in Rio de Janeiro, Brazil, to Denilce Campos, a former professional gymnast, who represented Brazil at the 1980 and 1982 South American Artistic Gymnastics Championships, winning gold in team all-around both times, and Rolando Ceddia, who is currently an associate professor at the School of Kinesiology & Health Science at York University.