||This article does not cite any sources. (November 2006)
Saitō Tomonobu (斎藤 朝信, 1527–1591) was an officer under the Uesugi clan following the Sengoku period of Japan in the 16th century.
He first made a name for himself during the expedition into the Kantō region, and in the Invasion of Etchū. He was skilled in administration skills and Uesugi Kenshin placed him in a highly trusted position. Served under Uesugi Kagekatsu, after the death of his previous lord, Kenshin. He also thwarted many attacks from the Oda clan.