Henry McMahon may refer to:

• Henry McMahon (diplomat) (1862-1949), diplomat best known for the McMahon-Hussein Correspondence
• Henry McMahon (musician), member of the band Big Tom and The Mainliners
• A fictional character in the 1997 book Term Limits by Vince Flynn

This disambiguation page lists articles associated with the same personal name. If an article link led you here, you may wish to change the link to point directly to the intended article.