Arunodaya Vimala (born 1964), popularly known as Vimalakka (Telugu: విమలక్క), is a Telugu balladeer and social activist. Her folk troupe is known as Arunodaya Samskritika Samakhya (ACF).She also heads a Joint Action Committee for the creation of Telangana state.
Vimalakka was born in Aler village in Nalgonda district to Narsamma and Bandru Narsimayya, a Telangana revolutionary who participated in Telangana rebellion. She belongs to Kurma community. She was youngest among five children. She did her graduation in Bhongir.
Vimalakka was greatly influenced by her father's association with the rebellion. She started singing at a young age after being encouraged by Ram Sattaiah, an activist. She fought against Jogini system. She was a civil rights, woman's activist.
She has been fighting for Telangana statehood since 1995. She is now touring Telangana districts by organizing Bahujana Bathukamma Festival.
She married Koora Devender, the revolutionary party leader of CPI (M) Janashakthi.