Tōdō Takatora (藤堂 高虎; February 16, 1556 – November 9, 1630) was a Japanese daimyō of the Tōdō clan from the Azuchi–Momoyama to Edo periods. He rose from relatively humble origins as an ashigaru (a light foot soldier) to become a daimyō.

During his lifetime he changed his feudal master seven times and worked for ten people, but in the end he rendered loyalty to Tokugawa Ieyasu, who became his last master.

Tōdō Takatora is famous for excellence in castle design. He is said to have been involved in building as many as twenty castles, including Edo Castle, Wakayama Castle, Uwajima Castle, Imabari Castle, Iga Ueno Castle and Sasayama Castle.

It is mentioned in the historical records that Tōdō Takatora was a large man with around 190 cm in height. After his death, historical records stated that Takatora body were covered with lesions and battle scars, and some of his fingers were torn off and had no nails.

Tōdō Takatora was born in 1556 in Ōmi Province. The precise place of his birthplace was in Tōdō village, Inukami-gun, east of Lake Biwa.

Takatora hailed from a Tōdō clan branch which descended from a samurai named Kagemori Todo who served imperial court noble in 14th century.

Takatora started working for Azai Nagamasa at the age of 15. He participated his war in the battle of Anegawa in 1570 as a member of Kassho Isono's corps with his father, Torataka. He also played an active role in the attack on Usayama Castle and received a letter of commendation and was given a wakizashi from Nagamasa as reward.

Later, at sometimes after the destruction of Azai clan, Takatora then served Isono Kazumasa, the lord of Ogawa Castle, who was also a former vassal of the Asai clan. Takatora as a vassal for received a landholding worth of 80 koku.