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Family name Hyaan (Hyaan ) , worldwide, is an extremely rare last name. Much more frequently, Hyaan is the forename as well as the last name.
Хыаан, হ্যাঁ, หญาน, หญ้าอ่อน, หยาน, and หย่าน
Souza, Ribeiro, Oliveira, and Jahanghir