Tonnya \t(o)-nn-ya\ as a girl's name is a variant of Tanya (Russian). See for meaning of Tonnya.
The baby name Tonnya sounds like Tonya, Tonye, Tony, Tonia, Tunna, Tona, Donna, Donya, Donny, Tanaya, Tenaya, Tonyah, Tawnya, Tahnya, Teonna and Toney. Other similar baby names are Ennya, Hannya, Ionya, Kennya, Sonya, Tonica, Tarnya, Tonina, Toya, Tosiya, Toulya, Toolya and Zinnya.