Last name Jittinun (Jittinun 
) , in the world, is an extremely rare family name. The family name Jittinun is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname. Much more prevalently, Jittinun is the forename as well as the last name.
Summat, Sivakarnsirikul, Chattongsuk, Jewcharoensakul, Naiyanate, Wongkaewviriya, Udomwithayakrai, Sawaengpol, Keeratitechakorn, Krisnangkura, Dokmaithes, Nakornchai, Manothananurak, Karnjanapinchote, Wacharintranon, Saengchootoh, Ariyapongpisan, Kaewduangsaeng, Tipteangtee, Jewcharernsakul, Powichian, Penphattarakul, Deerit, Meesiri, Soommat, Chianklawkla, Chokhaw, Chumtong, Premsit, Rattana, Rochanaviphart, Rungsee, Jantipa, Jaisuith, Jueathaisong, Yimniran, Mairesse, Sanpawat, Soothipan, Chatsiharach, Leerueng, and Patthanathamrongkasem