The Government Arignar Anna Memorial Cancer Hospital Blood Bank is a government-operated facility located within the regional cancer center campus in Karaipettai, Kanchipuram, Tamil Nadu. It supports the adjoining Arignar Anna Memorial Cancer Hospital and Research Institute by providing essential blood transfusion services to cancer patients and other in-patients requiring urgent blood support.

Established as part of a public healthcare initiative, the blood bank serves the greater Kanchipuram district and surrounding regions. It is situated along Bangalore High Road (National Highway 4) near the Government Arignar Anna Memorial Cancer Hospital, which functions as one of Tamil Nadu’s regional cancer centers.