Frank Armstrong may refer to: Frank Crawford Armstrong (1835–1909), Confederate general during the American Civil War Frank P. Armstrong (c. 1859–1923), Canadian steamboat captain Frank Jeremiah Armstrong (c. 1877–1946), American physician Frank A. Armstrong (1902–1969), United States Air Force general Frankie Armstrong (born 1941), English singer and voice coach Frank Armstrong III (born 1944), American financial advisor
See also Francis Armstrong (disambiguation)