Khudoyor Yusufbekovich Yusufbekov (Russian: Худоер Юсуфбекович Юсуфбеков, Tajik: Худоёр Юсуфбеков; December 10, 1928 — November 27, 1990) was a Soviet scientist and organizer of scientific projects and institutes in Pamir. He was a leading scientist who made a significant contribution to the development of biological sciences, whose name is connected with a new direction of the development of plant growing in the arid mountain and highland territory of Pamir-Alay; a prominent specialist in the field of plant growing, plant introduction and pasture economy, meadow studies, phyto-amelioration, and botany, Yusufbekov was a practicing field researcher, figure of higher education, and professor. In 1968, he developed a system for fodder improvement in the Pamir and Alay valleys that was differentiated from the perspective of the ecological and geographical areas and high-altitude zones. He also implemented a system of arid fodder, and proposed methods of cultivation of useful plants in the Pamir area in 1972. In 1970—1975, Khudoyor Yusufbekov developed the master plan of reconstruction of the Pamir Botanical Garden. In 1969, he became doctor of the agricultural sciences. In 1976, he became an Academician of the Academy of Sciences of the Tajik Soviet Socialist Republic. In 1962—1969, he was the director of the Pamir Biological Station; at the same time in 1965—1990, he was the Chairman of the Bureau of the Pamir Base; in 1969—1981, the director of the Pamir Biological Institute of the Academy of Sciences of the Tajik SSR; in 1981—1986, the rector of the Tajik Agricultural Institute of the Ministry of Agriculture of the USSR; in 1986—1990, the Academician Secretary of the Biological Department of the Academy of Sciences of the Tajik SSR. From 1989, he was a Member of the Presidium of Academy of Sciences of the Tajik SSR. Moreover, he was a state and public figure, the head of the scientific council of the department of biological science of the Academy of Sciences of the Tajik SSR and a Member of the coordination council of the department of general biology of the Academy of Sciences of the USSR (1987—1990). He was also a fellow of the Geographical Society of the USSR since 1965, Member of the All-Union and Central Asian Councils of the Botanical Gardens of the USSR (1972—1990), Member of the Council on the "Biological Foundations of the Rational Use and Protection of Flora" of the Academy of Sciences of the USSR (1976—1990), Member of the Council on the "Biological Foundations of the Development of Mountain Territories in Central Asia" (1975—1990), Member of the Council of the All-Union Botanical Society (1976—1990).