Theresa J. Kaijage (born 1947) is a social worker who advocates for those infected with HIV/AIDS in Tanzania. Kaijage works to raise awareness about the disease and tries to assuage the negative social implications that accompany the diagnosis of HIV/AIDS in Africa.Theresia Kaijage is also the founder and director of the Tanzanian non-governmental organization, WAMATA, which educates and provides counseling services to those with HIV/AIDS.