Parisi v. Davidson, 405 U.S. 34 (1972), was a United States Supreme Court case resulting in the grant of habeas corpus relief to a soldier, Joseph Parisi, seeking an honorable discharge as a conscientious objector.

The case was argued on October 19 and 20, 1971, and decided on February 23, 1972.

The respondent was then Major General Phillip B. Davidson.

Parisi had brought a petition to Federal District Court that the Army's refusal to discharge him constituted habeas corpus – that in effect he was being unlawfully imprisoned.

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