Blastus (disambiguation)

The word "Blastus" may refer to:
 * Blastus, the chamberlain of Herod Agrippa in the Bible
 * Blastus, a Roman presbyter in the late second century
 * Blastus, a genus of plants in the family Melastomataceae
 * Old Blastus of Bandicoot, a 1931 novel by Miles Franklin