Jaan Sarv
Sarv in the 1920s
Born	21 December 1877 Leeguste, Gemeinde Saara, Governorate of Livonia, Russian Empire
Died	23 August 1954 (aged 76) Tartu, Estonia
Scientific career
Fields	Mathematics
Institutions	University of Tartu

Jaan Sarv (Võro: Sarvõ Jaan; 21 December 1877 – 23 August 1954) was an Estonian mathematician and educator. Most of his life he worked as a professor at the University of Tartu. Sarv laid the foundation of Estonian language mathematical education.

• "Eesti koolimatemaatika ajalugu" I-IV, Olaf Prinits, Tartu, 1992–1994