Gregor (surname)

• A. James Gregor, professor of political science known for his writings on fascism and security issues
• Bob Gregor, American football player
• Francis Gregor , MP for the County of Cornwall, brother of William
• William Gregor, British clergyman and mineralogist who discovered the elemental metal titanium, brother of Francis
• Walter Gregor, folklorist
• Valentin Gregor, jazz violinist, singer and composer