Mitter is a surname. Notable people with the surname include:
Gerhard Mitter (1935–1969), German racing driver
Gobindram Mitter, one of the earliest Indian officials under the British rule
Sanjoy K. Mitter, engineering professor and control theorist
Siddheshwar Mitter, civilian employed in the Indian Foreign Department
Rana Mitter, historian of modern China at Oxford University