Last name Ka Yan (Ka Yan 
) , around the world, is a rare family name. The cognomen Ka Yan is characteristic of Hong Kong, where it is quite a rare surname, Malaysia, where it is a rare surname, and Singapore, where it is a very rare surname. In absolute terms, this name is the most popular in Hong Kong, Indonesia, and China. More frequently, Ka Yan is the forename as well as the last name.
Ma, Chau, Chow, Choi, Chui, Kuan, Kwok, Pang, Loke, Tang, Tong, Hung, Fong, Fung, Wong, Ywen, Cheng, Chong, Chung, Leung, Tsang, Yeung, Chan, Yip, Yau, Wan, So, Au, Li, Lo, Ng, Ho, Ip, Wu, Yu, Mah, Cheung, Mak, Lau, Lam, Lai, Law, Lee, Low, Luk, Tam, Tse, Hui, Kan, and Cheong