What is "hatt"

Hatt may refer to:

Hatt is a surname. Notable people with the surname include:

• Richard Hatt, businessman, judge and political figure in Upper Canada
• Emilie Demant Hatt (1873–1958), Danish artist
• Gudmund Hatt (1884–1960), Danish archaeologist
• Eliza Ruth Hatt (died 1892), mistress of William Henry Crossland and mother of his illegitimate son
• John Hatt, travel editor of Harper's and Queen, founder in 1982 of Eland Books
• Robert T. Hatt, naturalist and author, discoverer of Hatt's vesper rat