Namesakes
Biblical Characters:
1 character
Herod Archelaus (m) Matt. 2:22 
Characters in Greek Mythology:
6 characters
Archelaus (m)
Archelaus (m)
Archelaus (m)
Archelaus (m)
Archelaus (m)
Echelas (a.k.a. Archelaus) (m)
Saints:
1 saint
Saint Archelaus ?-280