Across the world, Tsybulniak (Tsybulniak , Цыбульняк ) is an extremely rare unknown gender forename. Much more frequently, Tsybulniak is the last name as well as the forename.
Тсыбулняк, and Цыбулняк
Denys
, Цыбульняк 
) is an extremely rare unknown gender forename. Much more frequently, Tsybulniak is the last name as well as the forename.