People from Valladolid

Pío del Río Hortega (1882 – 1945) was a Spanish neuroscientist who discovered microglia.

Julián Marías Aguilera (17 June 1914 – 15 December 2005) was a Spanish philosopher associated with the Generation of '36 movement. He was a pupil of the Spanish philosopher José Ortega y Gasset and member of the Madrid School.

Teresa Andrés Zamora (1907–1946) was a Spanish librarian who led the Sección de Bibliotecas de Cultura Popular. She was a Valenician Ministry of Public Instruction delegate, communist militant, feminist, republican, and trade unionist. Andrés fled into exile, first to Belgium and later to France, where she remained involved in politics until her death on 5 July 1946 from leukaemia.