Family name Kongkalai (Kongkalai 
) , in the world, is a rare cognomen. The cognomen Kongkalai is habitual in Thailand, where it is a rare surname, Philippines, where it is an extremely rare surname, and the United States.
Rot, Wanlada, Yadanuch, Sirawich, Acarapol, Chayanit, Benjawan, Kunthida, Kullawee, Tunyatorn, Naphasin, Noppawan, Chanitsara, Phongphat, Natchanun, Varissara, Namsukh, Pradermchai, Naiyana, Luksida, John, Emorn, Orada, Warot, Ukrit, Sunisa, Sumrit, Pakorn, Polake, Ratcha, Napong, Wannee, Wanida, Yosying, Marilyn, Jantima, and Wongsakorn