Otter (surname)
Otter is a surname. Notable people with the surname include:
- Jonas Otter or Jean Otter,, Swedish-born French diplomat, traveler, and writer
- William Otter, first Principal of King's College London and Bishop of Chichester, England
- William Bruère Otter, Anglican clergyman and Archdeacon of Lewes
- Francis Otter, English Liberal Member of Parliament
- Fredrik Wilhelm von Otter, Swedish naval officer and politician; Prime Minister of Sweden from 1900 to 1902
- William Dillon Otter, soldier who was the first Canadian-born Chief of the General Staff of the Canadian Army
- Anthony Otter, sixth Bishop of Grantham, England
- Göran von Otter, Swedish diplomat
- Butch Otter, U.S. politician and current Governor of Idaho
- Anne Sofie von Otter, Swedish mezzo-soprano
