Last name Unajan (Unajan 
) , throughout the world, is a rare cognomen. The cognomen Unajan is characteristic of Philippines, where it is a rare surname, Nigeria, where it is an extremely rare surname, and the United States. Much less frequently, Unajan is the forename as well as the last name.
Roy, Alona, Arnel, Aaron, Cosme, Pablo, Ramil, Ricky, Ruthy, Delia, Demtna, Dulce, Grace, Lydia, Janel, Jomar, Jessa, Nilda, Edgar, Erwin, Harvy, Henry, Allyn, Allan, Sonie, Susan, Leo, Ian, Alan, Alma, Aida, Bill, Paul, Dina, Leah, Liza, Helen, Luis, Jose, Joey, Jean, Tito, Edna, Flor, Iden, Maria, Marta, Mateo, Lynn, and Oscar