Surname Yuwalak (Yuwalak 
) , in all the world, is an extremely rare family name. Predominantly, Yuwalak is the forename as well as the last name.
Vejwitayaklung, Kernsakpai, Janthara, Jongharn, Thongsuk, Tongkerd, Singkhala, Chanthana, Kongsawat, Jitngamkham, Ngaoprasit, Suwanphithak, Piputpongnayana, Puttaraksa, Mongkhonrat, Srisuwanvichian, Yarnwit, Chantarawichit, Nunanan, Temeesak, Budsri, Detmak, Jimjuan, Tesukul, Namsen, Iadsun, Yoynual, Surasan, Srihuayyod, Khanasa, Piraban, Phungeon, Puaknisai, Jantana, Juntana, Naknaen, and Wutthithamkhanaphorn