Dumesh (Dumesch) (née Cherfas) Sara (22 December 1935, Riga – 30 November 2007, USA) – doctor, teacher.

During World War II, Sara Dumesh was evacuated. In 1959, she graduated from the Riga Medical Institute. Until 1960, she worked at the Daugavpils City Hospital, then at the Republican Hospital in Riga. In 1967, she became a candidate of medical sciences, and in 1975, an associate professor at the Riga Medical Institute. Under the guidance of Professor Y. Anshelevich, she developed effective tests and methods for determining various forms of rheumatoid arthritis, the latter of which has remained an important tool for the diagnosis and subsequent treatment of this disease for many years.

In 1991, Sara Dumesh emigrated to the United States with her family.