William Gregory (disambiguation)

William Gregory is the name of the following people:

• William Gregory (chemist) (1803-1858), Scottish chemist
• William Gregory (1849–1901), American politician
• William George Gregory (* 1957), American astronaut
• William Henry Gregory (1817-1892), Anglo-Irish politician
• William King Gregory (1876–1970), American zoologist and paleontologist
• William Mumford Gregory (1876–1974), American educator, geographer, and geologist
• William Voris Gregory (1877–1936), American politician

This is a disambiguation page for differentiating between several terms identified with the same word.