Itsuko Nashimoto
| Itsuko Nashimoto | |
|---|---|
| Former Princess Morimasa | |
| Born | Itsuko Nabeshima February 2, 1882 Rome, Italy | 
| Died | August 19, 1976 (aged 94) Tokyo, Japan | 
| Burial | Toshimaoka Cemetery, Bunkyo Ward, Tokyo, Japan | 
| Spouse | Prince Morimasa Nashimoto | 
| Issue | Yi Bangja Noriko Hirohashi Prince Norihiko (adopted) | 
| Father | Naohiro Nabeshima | 
| Mother | Eiko Hirohashi | 
Itsuko Nashimoto (梨本 伊都子, February 2, 1882 - August 19, 1976) was a former Japanese imperial family member. She was the wife of Prince Morimasa Nashimoto and the daughter of Marquis Naohiro Nabeshima and was the older sister of Nobuko Matsudaira. Before leaving the imperial family, she held the title of princess, and her honorific title under the Imperial House Law was Denka (殿下). During her time as a royal, she was known as Princess Morimasa Itsuko.
She became involved in Japanese Red Cross activities and contributed to wartime nursing efforts. After leaving the imperial family in 1947, she lived as a private citizen until her passing.