Sri Kali Blood Bank (also listed as Sri Kaali Blood Bank) is a private blood bank and healthcare service center located on Gandhi Adigal Salai in Valayapettai Agraharam, Kumbakonam, Tamil Nadu. Established in 2008, it serves as a critical blood donation and transfusion resource for the Thanjavur district region, known for its emphasis on hygiene, accuracy, and patient care.