Thia \thi()-thia\ as a girl's name is a variant of Anthea (Greek), Thea (Greek) and Tia (Spanish), and the meaning of Thia is "flowery; goddess; aunt".

The baby name Thia sounds like Theia and Toia. Other similar baby names are Thida, Tea, Gaia, Gia, Joia, Kaia, Kia, Lia, Leia, Maia, Moia, Mia, Naia, Nia, Pia, Ria, Shea, Thada, Thais, Thaisa, Thalia, Thana, Theda, Theta, Theida, Theo, Thora, Thyra, Thu, Xia, Zia and Zoia.