Danylo Kyrylovych Zabolotny (Ukrainian: Данило Кирилович Заболотний; 28 December 1866 – 15 December 1929) was a Ukrainian epidemiologist and the founder of the world's first research department of epidemiology. In 1927, he published one of the first texts in his field, Fundamentals of Epidemiology.

Danylo Zabolotny
Данило Заболотний
Born	(1866-12-28)December 28, 1866 Chobotarka, Podolia Governorate, Russian Empire (now Zabolotne [uk], Vinnytsia Oblast, Ukraine)[1]
Died	December 15, 1929(1929-12-15) (aged 62) Kyiv, Ukrainian SSR, Soviet Union[1]
Resting place	Zabolotne[1]
Known for	Research in public health
Scientific career
Fields	Epidemiology

Zabolotny conducted groundbreaking research on a number of infectious diseases, including cholera, diphtheria, dysentery, plague, syphilis, and typhus, as well as on gangrene.

He also lead research missions during the third plague pandemic, particularly those in India, Arabia, Mongolia, and China.^[1]