Across the world, วงเงิน (วงเงิน ) is an extremely rare unknown gender forename. Much more prevalently, วงเงิน is the last name as well as the forename.
Wongngoen
โสภา, สุรชัย, and พัฒชานุพงษ์
) is an extremely rare unknown gender forename. Much more prevalently, วงเงิน is the last name as well as the forename.