John A. O'Brien

The topic of this article may not meet Wikipedia's notability guideline for biographies. Please help to demonstrate the notability of the topic by citing reliable secondary sources that are independent of the topic and provide significant coverage of it beyond a mere trivial mention. If notability cannot be shown, the article is likely to be merged, redirected, or deleted. Find sources: "John A. O'Brien" – news · newspapers · books · scholar · JSTOR (February 2023) (Learn how and when to remove this message)

Reverend or Father John A. O'Brien (1893–1980), whose full name was John Anthony O'Brien, was an influential progressive American Catholic scholar, pamphleteer and writer.