Last name Siwattra (Siwattra 
) , across the world, is an extremely rare cognomen. Much more prevalently, Siwattra is the forename as well as the last name.
Satho, Banzer, Choodej, Inphaow, Dawongsa, Sonthikun, Pruksasri, Ruangdech, Kriengkrai, Singhathong, and Indrapalita