Matsudaira Ietada (松平 家忠, 1555 – September 8, 1600), also known as Tomomo no Suke was a Japanese samurai of the Sengoku period.

Ietada served his brother Tokugawa Ieyasu from a young age.

[2] He fought in many of Ieyasu's campaigns, including against Takeda Katsuyori in the Battle of Nagashino 1575.

In 1590, after Siege of Odawara, Ietada was granted Oshi Domain (100,000 koku) in Musashi Province.

[1] He was killed fighting against Ishida Mitsunari at the siege of Fushimi in 1600.