George Dunbar may refer to:

• George Dunbar (classical scholar) (1774–1851), Scottish classical scholar and lexicographer
• George Harrison Dunbar (1876–1966), Ontario political figure
• George Dunbar (Pennsylvania politician) (born 1960), member of the Pennsylvania House of Representatives
• George Dunbar, 10th Earl of March (1338–1422)
• George de Dunbar, 11th Earl of March
• George Dunbar (MP), Member of the UK Parliament for Belfast
• Sir George Dunbar, 2nd Baronet (died 1747), of the Dunbar of Mochrum baronets
• Sir George Dunbar, 4th Baronet (died 1799), of the Dunbar of Mochrum baronets
• Sir George Dunbar, 5th Baronet (c. 1750–1811), of the Dunbar of Mochrum baronets
• Sir George Duff-Sutherland-Dunbar, 6th Baronet (1878–1962) of the Dunbar of Hempriggs baronets