Last name Gustu (Gustu 
) , across the world, is a rare cognomen. The last name Gustu is habitual in Norway, where it is a rare surname, Indonesia, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, Gustu is the forename as well as the last name.
Aya, Tirtha, Hendra, Fenech, Werdaya, Arditha, Adnyana, Raditya, Kusuma, Mahendra, Suardana, Amandangi, Prananda, Diatmika, Wiranatha, Mahardika, Mertayasa, Sastrantara, Suryantirta, Afrino, Alvaro, Maha, Suma, Anom, Agus, Ajus, Bali, Puja, Astina, Rama, Surya, Slank, Panca, Putra, Diksa, Wahyu, Saptha, Wira, and Suwardana