Last name Ittinun (Ittinun 
) , in the world, is an extremely rare family name. Much more prevalently, Ittinun is the forename as well as the last name.
Sanmuk, Khamsom, Sangkarmars, Kunanake, Oonhateparuk, Suddhinonda, Suttipong, Pongchinrit, Jandaphan, Suwannarit, and Trairatanobhas