Valentino Annibale Pastore (13 November 1868 - 27 February 1956) was an Italian philosopher and logician. Pastore was born in Orbassano. He studied literature at the University of Turin under Arturo Graf. His thesis La vita delle forme letterarie (The life of literary forms) was published in 1892 in Turin. Pastore then turned to philosophy, influenced by the works of , , Antonio Garbasso, and Giuseppe Peano, publishing his own thesis Sopra le teorie della scienza: logica, matematica, fisica (On the theories of science: logic, mathematics, physics) in 1903. Pastore died in Turin.