|Prince of Thailand|
|Born||20 January 1922|
|Issue||Dajrabimala Rajani |
|House||Rajani family (Chakri Dynasty)|
|Father||Prince Rajani Chamcharas, the Prince Bidyalongkorn|
Bhisadej Rajani (Thai: ภีศเดช รัชนี; RTGS: Phisadet Ratchani; born 20 January 1922) is a Prince of Thailand. He is a member of the Thai royal family, and a member of the House of Rajani. He is one of the longest-living royal personages in the Thai history.