Last name พิไชย (พิไชย 
) , around the world, is a very rare cognomen. The family name พิไชย is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. More frequently, พิไชย is the forename as well as the last name.
มงคล, ดิฐ์ษร, หอยมณี, ทองหนู, ไพบูลย์, ฐิติวรพงษ์, and วิเชียรศิริ