*Thierry (m) - ''see Derek'' ('''Saint''')
*Thomas (m) - [[Apostle Thomas]] ('''Saint''')
*Tia (f) - St [[Tatiana of Rome]] ('''Sound-alike'''); or, saints ending in '-tia' ('''Sound-alike'''); or, saints beginning in 'TheoSt Thais ([[May 10]] -' (e.g. Theodora) ('''Sound-alike''').
*Tiana (f) - ''see Tatiana or Christiana'' ('''Diminutive''')
*Tiffany (f) - The [[Theophany]] of our Lord ([[January 6]] - '''Saint''')