Mutual aid is a voluntary reciprocal exchange of resources and services for mutual benefit.
It may also refer to:
Mutual Aid: A Factor of Evolution, a 1902 collection of anthropological essays by anarchist philosopher Peter Kropotkin Mutual aid (emergency services), an agreement between emergency responders Mutual aid, an element of social work with groups Mutual aid society, an organization formed for the benefit of members Billion Dollar Gift and Mutual Aid: Canada's gift of $4 billion to Britain in the Second World War
See also Mutualism (biology), a concept of biological interaction Mutualism (economic theory), an anarchist economic theory