Cognomen Phimmachack (Phimmachack 
) , across the world, is a rare family name. The surname Phimmachack is characteristic of Laos, where it is quite a common surname, Malaysia, where it is a very rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Phimmachack | Canada, Thailand, Laos, United States, Malaysia |
Sam, Emily, Vicky, Vieng, Syhong, Amanda, Khamta, Khouan, Jaymes, Joseph, Tammy, Johnny, Vaneda, Mekdara, Savatdy, Soumaly, Souvong, Somphor, Ketsana, Thedpakone, Hatsady, Nenita, Jenny, Jason, James, Som, Pon, Ric, Dao, Lam, Alex, Alan, Kris, Rick, Liam, John, Thon, Toon, Tina, Sinor, Sihom, Bethy, Kenny, Kelly, Peter, Pipsmy, Vilasay, and Vilaysy