Misir Ali is a fictional character in a series of novels by Bangladeshi author Humayun Ahmed. He was described as one of the most famous characters in Bengali literature, TV, and film over the last three decades. In the books, Ali plays the role of a part-time professor of Psychology at the University of Dhaka. Despite his not being a professional psychiatrist, people come to him for psychiatric treatment because of his special interest and knowledge in parapsychology.

Later he was expelled from the University. Misir Ali is intelligent and often seen solving mysteries, although never accepting money for them. He is a logical person and doesn't believe in any paranormal activities. He has a personal diary named "Unsolved", in which he writes about those mysteries not solved by him. He is dark, tall, and thin but in another story it was mentioned that he is short.

He always lives in a small flat with a servant. Most of the time those servants are seen to be running away by stealing his money. His age in Nishithini was 41 and in Misir Ali's Aumimaangsito Rauhosso his age is 51. He has a nephew named Amita. His mother died when he was two years old. His father was a Hujur (Muslim priest), who died when he was in class five. He grew up in his relatives' house. He is a chain smoker, but in every story he tries to quit. Every times he gets a letter, he reads it three times. He is attracted to a girl named Nilu who was his university student. He is unmarried but in the story Onnobhuvon only, it was mentioned that he married Nilu.