Notes on Nationalism is an essay completed in May 1945 by George Orwell and published in the first issue of the British "Magazine of Philosophy, Psychology, and Aesthetics" Polemic, in October 1945.

Orwell discusses nationalism and argues that it causes people to disregard common sense and to become more ignorant towards facts. Orwell shows his concern for the social state of Europe and the rest of the world because of the increasing influence of nationalistic sentiment in a large number of countries.