Beaufort is the name of a noble family of 14th and 15th-century England, descended from John of Gaunt, 1st Duke of Lancaster. For a list of individual Beauforts, see House of Beaufort.

• Carel Godin de Beaufort (1934–1964), Dutch Porsche Formula 1 Driver 1957 - 1964
• Jacques-Antoine Beaufort (1721–1784), French painter
• Lieven Ferdinand de Beaufort (1879–1968), Dutch biologist

Beaufort or de Beaufort is also the surname of members of a particular Huguenot family

• Count Francis de Beaufort (1661–1714), Court Chancellor to the Prince of Lippe-Detmond
• Daniel Cornelius de Beaufort (1700–1788), Church of England, and later, Church of Ireland Clergyman
• Daniel Augustus Beaufort (1739–1821), Church of Ireland Clergyman, author and map maker
• Sir Francis Beaufort (1774–1857), Irish hydrographer and naval officer, creator of the Beaufort scale, namesake of the Beaufort Sea
• Louisa Beaufort (1781–1863), Irish antiquarian, author and artist

• Duke of Beaufort (England), a dukedom in the Peerage of England
• Duke of Beaufort (France), a title in French nobility