Surname สายเหมย (Saimei 
, สายเหมย 
) , in all the world, is a very rare cognomen. The last name สายเหมย is habitual in Thailand, where it is a very rare surname, Malaysia, and China, where it is an extremely rare surname. Much more prevalently, สายเหมย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Saimei | Japan, Philippines, Malaysia, China, India |
| สายเหมย | Thailand |