David Dunbar

• David Dunbar, of the Hope-Dunbar baronets
• David Dunbar , Australian film actor
• David Dunbar, 18th century surveyor of king's woods in North America, and Lt. Gov. of New Hampshire
• David Dunbar Buick, Scottish-born American inventor, best known for founding the Buick Motor Company
• David Dunbar-Nasmith, Royal Navy officer