Althouse may refer to:

People Adelbert Althouse (1869–1954), American naval officer and Governor of Guam Ann Althouse (born 1951), American law professor and blogger George W. Althouse (1895–1981), American politician from Nebraska Monroe Althouse (1853–1924), American composer and bandmaster Paul Althouse (1889–1954), American opera singer Valeyta Althouse (born 1974), American athlete Vic Althouse (born 1937), Canadian politician from Saskatchewan

Places John G. Althouse Middle School