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

• Adam Mitter (born 1993), English footballer
• Gerhard Mitter (1935–1969), German racing driver
• Gobindram Mitter (fl. 18th century), one of the earliest Indian officials under the British rule
• Rana Mitter (born 1969), historian of modern China at Oxford University
• Sanjoy K. Mitter (1933–2023), engineering professor and control theorist
• Siddheshwar Mitter (1865–1912), civilian employed in the Indian Foreign Department

Fictional

• Pradosh C. Mitter aka Feluda - a fictional famous Bengali private investigator, created by Satyajit Ray