Mansour Ali Haseeb (Arabic: منصور علي حسيب; 1 January 1910 – 29 September 1973) was a Sudanese professor of microbiology and parasitology.

Haseeb also was the Mayor of Omdurman and died suddenly aged 63, shortly after receiving the Shousha Prize from the World Health Organization.

[11] In 1963, Haseeb left Stack to become a professor of Microbiology and Parasitology,[6][12] and the first Sudanese Dean of the Faculty of Medicine at the University of Khartoum until 1969.

[15] He made valuable contributions through his services in the vaccine production and implementation programs, most notably in combating smallpox,[16] rabies[17] and epidemic meningitis,[18] He wrote several papers on diseases common to Sudan, like parasitic and contagious infections.

[19][20] In 1954, Haseeb accompanied Telford H. Work and Richard Moreland Taylor in an expedition to research yellow fever with Baggara tribespeople, Nuba villages, and the Dinka people.

[30][31] He is considered the "Godfather of Sudan's Laboratory Medicine"[1][32][33] In May 1973, renowned American entomologist and parasitologist Harry Hoogstraal stated, "Professor Mansour Haseeb has been more intimately associated than any other living person with adding to Sudanese biomedical knowledge and sharing the vast experience with younger generations of physicians and scientists.

[6] Haseeb died suddenly on 29 September 1973, aged 63, a few months after receiving the Shousha Medal and Prize from the World Health Organization.

Hashem Erwa, Haseeb's student, delivered an elegy, followed by Mohammed Hamad Satti, who was unable to finish his eulogy due to overwhelming emotions.