Mohammad Alam Channa (1953, Sehwan, Sindh province, Pakistan – 2 July 1998, New York) was the world's tallest living man at 232.4 cm (7 ft 7 inch) high. During his life he had been billed at various heights of up to 7ft 6 while working at a circus.

Channa's abnormal growth was noticed by his family when he was ten years old, and continued until he was 26. Channa worked at the shrine of Shahbaz Qalander at Sehwan.

In 1998 Channa went to the United States for treatment for various ailments, including high blood pressure, diabetes and Kidney malfunction. Channa died of kidney failure in a New York hospital was buried in his ancestral town of Dadu, Sindh, Pakistan. He was survived by his wife Naseem, whom he married in 1989, and with whom he had a son.