McHenry is both a surname and a given name, an anglicised name of the Scottish Clan Henderson. Notable people with the name include:
Surname:
Austin McHenry (1895-1922), Major League Baseball player
Donald McHenry (born 1936), American former diplomat
Doug McHenry, American film director and producer
Edwin Harrison McHenry (1859-1931), American engineer; chief engineer of the Northern Pacific and Canadian Pacific Railways
Henry McHenry (born 1944), American professor of anthropology
Henry McHenry (baseball) (1910-1981), Negro league baseball pitcher and outfielder
James McHenry (1753–1816), a delegate to the U.S. Constitutional Convention and a signer of the Constitution
John Geiser McHenry (1868–1912), United States Representative from Pennsylvania
John H. McHenry (1797–1871), United States Representative from Kentucky
Mary McHenry (born 1933), American scholar
Patrick T. McHenry (born 1975), U.S. Representative from North Carolina
Robert McHenry (born 1945) American writer and editor
William McHenry (1771?–1835), American soldier and politician
The McHenry Brothers, Edward Alexander (born 1983) and Rory Patrick McHenry (born 1987), British film directors and screenwriters
Travis McHenry (born 1980), leader of the unrecognized micronation of Grand Duchy of Westarctica
Given name:
McHenry Boatwright (1928-1994), American opera singer and teacher
McHenry Keith (born 1957), Co-founder of the Food Not Bombs movement
McHenry Venaani (born 1977), Namibian politician
Robert William McHenry Jr. (1943-2015), Scholar and professor of English literature
Patricia Jane McHenry, Esq. (maiden: Frantz) (born 1946—living), Environmental Litigator; named as among the Best Lawyers in America and the Best Lawyers in Hawaii
