Ahmed Mohiuddin (Urdu: احمد محی الدین) (8 January 1923 – 4 January 1998) was a noted scientist, scholar and researcher of Pakistan.

Ahmed Mohiuddin was born in Hyderabad, India, where he received his early education from Hyderabad. He obtained his MSc (Biology) from Osmania University in 1945 with distinction. In 1945 he was awarded a PhD scholarship from government. He did a PhD in Zoology in 1948 from the University of London. He returned to Hyderabad in 1948 and joined Osmania University as an associate professor.

Mohiuddin migrated to Pakistan in November 1948 and joined the Malaria Institute of Pakistan until 1952. From 1953 to 1960, he served for Karachi University. Later he was transferred to Sindh University, Jamshoro as chairman of the Zoology Department.^[1] In 1978, Mohiuddin joined Quaid-e-Azam University as Vice Chancellor and later became Vice Chancellor of Allama Iqbal Open University in Islamabad, Pakistan. From 1986 to 1988, he served East-West University, Chicago.

Mohiuddin was the founder of the Pakistan Zoological Society. He was awarded a fellowship from Pakistan Academy of Sciences and Royal Society of Tropical Medicine.^[2]

Mohiuddin was a highly cited biologist and zoologist in Pakistan.

Nationally and internationally, 37 of his books have been published on science and research.

• Pride of Performance Award by the President of Pakistan in 1962

Ahmed Mohiuddin died in Atlanta, US on 4 January 1998 at age 74.

In recognition of his services to the field of zoology, Zoological Society of Pakistan created the Ahmed Mohiuddin Memorial Gold Medal for talented students awarded nationally in Pakistan.^[3][4]