Igor Rostislavovich Shafarevich (Russian: И́горь Ростисла́вович Шафаре́вич; 3 June 1923 – 19 February 2017) was a Russian mathematician. He contributed to algebraic number theory and algebraic geometry. He also wrote books and articles which criticise socialism. He was an important dissident during the Soviet regime. He was born in Zhytomyr, Ukraine.
- Berglund, Krista (2012). The Vexing Case of Igor Shafarevich, a Russian Political Thinker. p. 21.
- "Ушел из жизни математик и философ Игорь Шафаревич". Deita.ru (in Russian). 20 February 2017. Archived from the original on 22 February 2017. Retrieved 20 February 2017.