Aid is the voluntary transfer of resources from one country to another. Aid or AID may also refer to: Assistance and funding Development aid, financial aid to support the development of developing countries Humanitarian aid, material and logistic assistance to people who need help Welfare, social aid to poor people First aid, assistance given to a person suffering a sudden illness or injury Charity (practice), voluntary giving of aid and to those in need People Aid (rapper) (born 1990), stagename of Aida Alonso Iglesias, a Spanish rap singer George Charles Aid (1872–1938), American painter Matthew Aid (1958–2018), American military historian and author Science and technology Biology and medicine Activation-induced cytidine deaminase, an enzyme Amputee identity disorder, now more commonly known as "body integrity identity disorder", a controversial psychological and neurological mental disorder Artificial insemination by donor, a type of human artificial insemination Autoimmune disease, a disorder with an overactive immune response of the body Other uses in science and technology Algebraic interpretive dialogue, an implementation of JOSS II for the PDP-10 Automatic interaction detection, a precursor to, and component of chi-square automatic interaction detection Application identifier, in the EMV payment card chip standard Other uses Aid (Würm), a river in Germany Aid, Missouri, a community in the US Americans for Informed Democracy, an American non-profit organization Association for India's Development, an American/Indian non-profit organization See also Feudal aid, feudal taxation AIDS, Acquired immunodeficiency syndrome USAID, United States Agency for International Development Aide (disambiguation) AIDS (disambiguation) Assistance (disambiguation) Eid (disambiguation) Help (disambiguation)