Thaman S (born Ghantasala Sai Srinivas Sivakumar; 16 November 1983) is an Indian composer and playback singer known for his works majorly in Telugu and Tamil cinema. He is the recipient of the National Film Award for Best Music Direction for his work in the 2020 musical hit Ala Vaikuntapuramulo. His breakout film as a music director was Kick (2009). His notable compositions include films such as Eeram (2009), Brindavanam (2010), Mirapakay (2011), Osthe (2011), Dookudu (2011), Businessman (2012), Naayak (2013), Baadshah (2013), Greeku Veerudu (2013), Ramayya Vasthavayya (2013), Race Gurram (2014), Aagadu (2014), Bruce Lee (2015), Sarrainodu (2016), Tholi Prema (2018), Aravinda Sametha Veera Raghava (2018), Ala Vaikunthapurramuloo (2020), Krack (2021), Vakeel Saab (2021), Akhanda (2021), Bheemla Nayak (2022), Varisu (2023) and Bhagavanth Kesari (2023). He is known for his frequent collaborations with Ravi Teja, Surender Reddy, Sreenu Vaitla, Trivikram Srinivas, and Boyapati Srinu.