Autonomism is a set of left-wing, socialist movements that first appeared in Italy in the 1970s.
Autonomism may also refer to:
- Jewish Autonomism, non-Zionist belief in the need to develop Jewish cultural identity within the Diaspora
- Autonomism (political doctrine), Regionalist, separatist or secessionist movement in favour of regional autonomy within a nation or independence
- Quebec autonomism, a form of nationalism in Quebec which advocates delegation of many higher political/federal-level powers to the province, while remaining within Canada
- Italian autonomism espoused by the Autonomist Association and the Autonomist Party in the eastern Adriatic