John Hubbard
John Hubbard is the name of the following people:
- John Hubbard (politician) (1794-1869), American politician (Maine)
- John Hubbard (actor) (1914–1988), American actor
- John Hubbard (physicist) (1931–1980), American physicist
- John Hamal Hubbard (* 1945), American mathematician
- John Henry Hubbard (1804–1872), American politician
- John R. Hubbard (1918–2011), American university professor and diplomat
