Thordia \th(or)-dia\ as a girl's name is a variant of Thora (Scandinavian), and the meaning of Thordia is "Thor's struggle".

The baby name Thordia sounds like Darda, Dorita, Dorrit, Dortha, Dorota, Dorit, Trudie, Trudi and Truda. Other similar baby names are Thordis, Thermia and Thuraia.