| Ikeda Tsunamasa | |
| Nationality: | Japanese |
| Order: | Lord of Okayama |
| Term Start: | 1672 |
| Term End: | 1714 |
| Predecessor: | Ikeda Mitsumasa |
| Successor: | Ikeda Tsugumasa |
| Birth Date: | February 18, 1638 |
was a Japanese daimyō of the Edo period. He was the head of the Okayama Domain.[1] His childhood name was Taro (太郎). His mother was the granddaughter of second Shōgun Tokugawa Hidetada.
His adopted daughter married the court noble Ichijō Kaneka.