Amritlal Vithaldas Thakkar, popularly known as Thakkar Bapa was an Indian social worker who worked for upliftment of tribal people in Gujarat state in India. He became a member of the Servants of India Society founded by Gopal Krishna Gokhale in 1905. In 1922, he founded the Bhil Seva Mandal. Later, he became the general secretary of the Harijan Sevak Sangh founded by Mahatma Gandhi in 1932. The Bharatiya Adimjati Sevak Sangh was founded on 24 October 1948 on his initiative. When Indian constitution was in process, Kenvi visited remotest and most difficult parts of India and conducted probe into the situation of tribal and Harijan people. He was appointed the chairman of "Excluded and Partially Excluded Areas, a sub committee of the constituent assembly. Mahatma Gandhi would call him 'Bapa'.
Thakkarbapa visited forests in Assam, rural Bengal, drought affected areas of Orissa, Bhil belts in Gujarat and Harijan areas of Saurashtra, Mahar areas of Maharashtra, untouchables in Madras, hilly areas of Chhota Nagpur, desert of Tharparkar, foothills of Himalaya, coastal areas of Travancore with his mission of upliftment of tribal and harijans.