Cognomen Wai Yan (Wai Yan 
) , globally, is a rare family name. The family name Wai Yan is habitual in Hong Kong, where it is a rare surname, Myanmar, and Malaysia. More prevalently, Wai Yan is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wai Yan | China, Myanmar, Malaysia, Hong Kong, Indonesia |
To, Kyaw, Kwok, Phyo, Liew, Looi, Lwin, Heng, Hein, Hooi, Htet, Htun, Wong, Yuen, Myint, Cheng, Chong, Leong, Leung, Naing, Minsoe, Cheung, Kong, Choi, Chow, Choo, Ng, Ho, Oo, Min, Myo, Soe, Chu, Kan, Lau, Lam, Cheong, Lee, Loh, Tan, Tun, Fan, Yow, Yee, Yue, Yiu, Aung, Chan, Lin, and Min Thu