Advocacy is the act or process of supporting a cause or proposal.

Advocacy includes various strategies that influence decision-making at local, national, and international levels. It is organized around the resolution of a problem. Advocacy can include using multimedia to form public opinion, educating decision-makers on the issues, organizing public events, researching issues, or simply raising awareness of a particular cause. Advocacy encompasses the education and mobilization of citizens, so they can become involved in developing and promoting policies they care about.