Last name รุนิล (รุนิล 
) , all around the world, is a very rare cognomen. The cognomen รุนิล is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, รุนิล is the forename as well as the last name.
เจตร, ปราณี, เจตน์ฐิณี, and เจตน์ณัฏฐา