Cognomen ปฏิสนธิ์ (ปฏิสนธิ์ 
) , in all the world, is a very rare family name. The last name ปฏิสนธิ์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, ปฏิสนธิ์ is the forename as well as the last name.