Takeda Nobuzane (武田信実) more commonly known as Kawakubo Nobuzane (河窪 信実) (1530 - died 29 June 1575) was a younger half-brother of Takeda Shingen, a preeminent daimyō (feudal lord) who vied for the control of Japan in the late stage of Sengoku, the "warring states" period.

After the death of his older brother Matsuo Nobukore in 1571, Shingen ordered Nobuzane’s son Nobutoshi to be the successor to the Matsuo family and Nobutoshi was married to Nobukore’s daughter.

Tobigasu to maintain the siege on Tokugawa's forces in Nagashino Castle, assuring they did not escape and link up with the main Oda-Tokugawa army.

But he was ambushed by troops under the command of the alliance’s generals Sakai Tadatsugu[1] and Kanamori Nagachika.

It is said that those dedicated to Nobuzane created a small hill called Hyougotsuka after his courtesy title of Hyougo-no-suke on Mt.