| Nariratana | |
| Birth Date: | 17 August 1861 |
| Birth Place: | Bangkok, Siam |
| Death Place: | Bangkok, Siam |
| House: | Chakri Dynasty |
| Mother: | Chao Chom Manda Duangkham (née Princess Numan of Vientiane) |
Princess Nariratana (Thai: นารีรัตนา ; 17 August 1861 – 16 June 1925) was a Princess of Siam (later Thailand). She was a member of the Siamese royal family, and is a daughter of King Mongkut and Consort Duangkham (Chao Chom Manda Duangkham, a granddaughter of King Anouvong of Vientiane). She was of was Thai-Laos descent.
Her mother, Chao Chom Manda Duangkham was a royal consort to Mongkut. She was a princess of Vientiane by blood as a daughter of HRH Prince Kli, seventh son of Anouvong by his first wife, HH Princess Thonkeo, a daughter of Viceroy Tissa.
Princess Nariratana had one sister, Princess Pradidhasari.
Princess Nariratana died on 16 June 1925 at the age 63 at the reign of his nephew, Vajiravudh.