Across the world, Gustu (Gustu 
) is a rare dominantly boy's, but uncommonly girly first name. The forename Gustu is habitual in Indonesia, where it is a rare mostly masculine, but infrequently feminine name, and India, where it is an extremely rare unisex name. Much less frequently, Gustu is the last name as well as the forename.
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