Chellapilla Satyanarayana Sastry (1933 – 12 January 1989), known mononymously as Satyam, was an Indian music composer.

Satyam was born in Gunanupuram village, Komarada mandal in Vizianagaram district of Andhra Pradesh.

Some of his memorable hit songs in Telugu are Ye Divilo Virisina Parijatamo, Gunna Mamidi Komma Meeda, O Bangaru Rangula Chilaka, Kalise Kalla Lona, Tholi Valape Teeyanidi, Aaraneekuma Ee Deepam Karthika Deepam, Gaali Vanalo Vana Neetilo.

[5] Tribute to Music director Satyam was organised by Sreeramulu entertainment, Andhra club in association with singer Sarada Akunuri USA in Chennai in 2015, where Satyam's wife Krishnaveni and adopted son Trinath had graced the event.

in 2020, Singer Sarada Akunuri organized a Tribute concert to music director Satyam in association with Yuvakalavahini in Hyderabad.