Thomais

Thomais may refer to:


 * Thomais of Alexandria, Byzantine martyr and 5th century saint
 * Thomais of Lesbos (c. 909/913 - 947/951), Byzantine laywoman and saint
 * Thomais Orsini (born c. 1330), queen consort of Epirus and Thessaly
 * Thomaïs Emmanouilidou (born 1997), Greek rower