Non-self may refer to:
Anatta, in Buddhist philosophy, the "non-self" or "absence of separate self" Anātman (Hinduism), a similar concept in Hinduism Open individualism, the philosophy that there exists only one numerically identical subject, who is everyone at all times, in the past, present and future. The distinction of self from non-self, a central concept in Immunology proposed by Macfarlane Burnet Exogenous antigen, a non-self molecule that stimulates an immune response