Most people named Andreas keep their name day on November 30, the feast of Andrew the First-Called. The Orthodox calendar has 2 other feasts for the name.
Every feast on which Andreas is celebrated
| New Calendar | Feast | Old Calendar (civil date) |
|---|---|---|
| July 4 | Andrew the Apostle of Crete | July 17 |
| August 19 | Andrew the General | September 1 |
| November 30 | Andrew the First-Called | December 13 |
The saints behind the name

Andrew the First-Called
November 30, Great Feast, Ανδρέας ο Πρωτόκλητος
St. Andrew, the First-Called of the Apostles, was a fisherman of Bethsaida and first a disciple of St. John the Forerunner. When the Baptist pointed to Jesus as the Lamb of God, Andrew followed Him at once and brought his brother Simon Peter to the Lord. After Pentecost, according to tradition, he preached the Gospel around the Black Sea and in Greece, and was martyred at Patras on a cross in the form of an X.
Name days: Andreas, Andis, Andrew, Andrea, Andrei, Andre, Andres, Andy, Andriana, Andrianna

Andrew the Apostle of Crete
July 4, Hierarch, Ανδρέας Κρήτης
St. Andrew of Crete was born in Damascus in the seventh century. First a monk in Jerusalem, he later served in Constantinople and was consecrated Archbishop of Gortyna in Crete, where he shepherded his flock with wisdom and care for the poor.

Andrew the General
August 19, Martyr, Ανδρέας Στρατηλάτης
St. Andrew Stratelates was a commander in the Roman army in the East at the end of the third century. Calling on the name of Christ, he led his soldiers to victory, and confessed openly the faith that had given it; many of his men believed with him and were baptized.
Also celebrating on November 30
These names share the feast, many of them other forms of the same name:
Andis, Andrew, Andrea, Andrei, Andre, Andres, Andy, Andriana, Andrianna
What to say on a name day
The Greek wish is Χρόνια Πολλά (Chronia Polla), “many years.” A call or a short message on the day is what people remember. See name day wishes you can send and what a name day is.