Aju \a-ju\ as a girl's name is a variant of Ajua (Ghanaian), and the meaning of Aju is "born on Monday". The baby name Aju sounds like Aja and Ajo. Other similar baby names are Ada, Adi, Ade, Ady, Ado, Afua, Agy, Agi, Ag, Aki, Ali, Al, Ala, Ama, Amy, Ami, Ame, Ana, Ann, Ayn, Anh, Anja, Ara, Ari, Asa, Ase, Aud, Ava, Ave, Aya and Aza.