Monck Mason is an Irish surname. People with the name include:
Henry Joseph Monck Mason (1778–1858), Irish writer Henry Monck-Mason Moore (1887–1964), British colonial governor Henry Monck Mason Hackett (1849–1933), Irish clergyman John Monck Mason (1726–1809), Irish politician Thomas Monck Mason (1803–1889), Irish musician and balloonist Monck Mason, fictional character from Edgar Allan Poe's The Balloon-Hoax, loosely based on Thomas