Cognomen Najaroen (Najaroen 
) , in the world, is a rare last name. The cognomen Najaroen is habitual in Thailand, where it is a rare surname, Germany, where it is an extremely rare surname, and the United States. Much less frequently, Najaroen is the forename as well as the last name.
Ms, Naratip, Vallapa, Vachara, Umaporn, Surakarn, Sonthaya, Chachris, Saengduan, Poorichaya, Thongchai, Thongruam, Nuttapong, Preechapon, Jirattikan, Nitchakarn, Therese, Jirattikarn, Jakkree, Chotika, Nina, Anong, Liana, Napat, Nitis, Nevin, Sarote, Suchan, Amnuay, Apinya, Vanlee, Walapa, Wasana, Saowapa, Angkana, Pattiya, and Wachiraporn