| Ikeda Mitsumasa | |
| Nationality: | Japanese |
| Order: | Daimyō of Himeji |
| Term Start: | 1616 |
| Term End: | 1617 |
| Predecessor: | Ikeda Toshitaka |
| Successor: | Honda Tadamasa |
| Order2: | Daimyō of Tottori |
| Term Start2: | 1617 |
| Term End2: | 1632 |
| Predecessor2: | Ikeda Nagayuki |
| Successor2: | Ikeda Mitsunaka |
| Order3: | Daimyō of Okayama |
| Term Start3: | 1632 |
| Term End3: | 1672 |
| Predecessor3: | Ikeda Tadakatsu |
| Successor3: | Ikeda Tsunamasa |
| Birth Date: | May 10, 1609 |
| Spouse: | Katsuhime |
was a Japanese daimyō of the early Edo period.[1]
His childhood name was Shintarō (新太郎).He was the son of Ikeda Toshitaka with Tsuruhime, daughter of Sakakibara Yasumasa and adopted daughter of Tokugawa Hidetada.[1] He married Katsuhime, daughter of Honda Tadatoki with Senhime who was daughter of Tokugawa Hidetada with Oeyo and Tokugawa Ieyasu's favorite granddaughter.
After his father's death in 1616, Mitsumasa inherited his father's domains in Harima Province.[1]
In 1617, he was transferred to Tottori Domain (325,000 koku) with Inaba Province and Hōki Province as fiefs.[1]
In 1632, he was transferred to Okayama Domain (315,000 koku) at Bizen. His descendants continued to live at Okayama.[1]
He was also a Confucian scholar, and was a patron of Kumazawa Banzan, 17th century Confucian scholar.
|-|-