Ahmed Mohamed El Hassan (Arabic: أحمد محمد الحسن; 10 April 1930 – 10 November 2022) was a Sudanese professor of pathology.

Upon his return to Sudan, he led the Department of Pathology (1966–1969) and the Faculty of Medicine (1969–1971) before briefly heading the Ministry of Higher Education and Scientific Research [ar] (1971–1972).

As a result, Sudan bestowed upon him the highest orders of merit, and the Sudanese state of Al Qadarif's tropical medicine centre was named after him.

In addition, he received WHO's 1987 Shousha Prize, RSTMH's 1996 Donald Mackay Medal, and the 2017–2018 Sheikh Hamdan bin Mohammed Al Maktoum award.

[4] He joined the Sudanese Ministry of Health to train, starting as a houseman between 1955 and 1957, and a medical officer from 1957 to 1958 in different locations in Khartoum, Omdurman and Northern State.

El Hassan then joined King Faisal University, Saudi Arabia, as a professor in 1977 and helped establish the Department of Pathology before leaving in 1979, to return in 1981 as the director of research until 1987.

[5][9] El Hassan focused on epidemiology and immunopathology of tropical and infectious diseases, especially leishmaniasis[13][14] and mycetoma,[15] including diagnosis, therapy, and vaccines.

[22] He received the Shousha Prize from the World Health Organization in 1987,[23] Donald Mackay Medal from the Royal Society of Tropical Medicine and Hygiene in 1996,[24] and Sheikh Hamdan bin Mohammed Al Maktoum Award for medical sciences in 2017–2018.