Petty house is regional British English for an outhouse.

It may also refer to:

in the United States

(by state then city)

• Petty House (San Antonio), Texas
• Petty–Roberts–Beatty House, historic octagon house in Clayton, Alabama, listed on the National Register of Historic Places (NRHP)
• Perry–Petty Farmstead, Mansfield Township, New Jersey, listed on the NRHP in Warren County
• Buckingham-Petty House, Duncan Falls, Ohio, listed on the NRHP in Muskingum County
• Petty House (Hot Springs, South Dakota), listed on the NRHP in Fall River County
• Crawford-Pettyjohn House, Pierre, South Dakota, listed on the NRHP in Hughes County

This disambiguation page lists articles associated with the title Petty House.
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