Hatt (surname)
Hatt is a surname. Notable people with the surname include:
- Richard Hatt, businessman, judge and political figure in Upper Canada
- Emilie Demant Hatt, Danish artist
- Gudmund Hatt, Danish archaeologist
- Eliza Ruth Hatt, 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
Fictional Characters
- Sir Topham Hatt, the Fat Controller of Thomas the Tank Engine
