Cognomen Chaikaeo (Chaikaeo 
) , worldwide, is a rare last name. The cognomen Chaikaeo is characteristic of Thailand, where it is a rare surname, Malaysia, where it is an extremely rare surname, and the United States. Very seldom, Chaikaeo is the forename as well as the last name.
Chan, Somphong, Chanikan, Kingkaeo, Kittikan, Pornnapa, Porameth, Phonphan, Suphakon, Thatsani, Sombunsak, Chaniphon, Chitchamai, Chonnakan, Phiratham, Ruchiphat, Naphaphon, Naowarat, Saenglar, Mongkhon, Nadsinee, Jack, Suwit, Kanya, Narin, Vasin, Suchat, Anucha, Arraya, Prawit, Narong, Wandee, Sahwang, Chaiwat, Kraisit, Pannipa, Prasong, Janjira, Pittayarat, and Thanchanok