| Daksinajar Naradhirajbutri | |
| Succession: | Princess consort of Siam |
| Reign: | 1871 |
| Reign-Type: | Tenure |
| House: | Chakri Dynasty |
| Mother: | Consort Chan Suksathit |
| Birth Name: | Phra Chao Luk Thoe Phra Ong Chao Daksinajar Naradhirajbutri |
| Birth Date: | 18 September 1852 |
| Birth Place: | Bangkok, Siam |
| Death Place: | Bangkok, Siam |
Daksinajar Naradhirajbutri[1] (Thai: ทักษิณชา นราธิราชบุตรี,, ; 18 September 1852 – 13 September 1906) was a consort of her half-brother Chulalongkorn, the King of Siam.
She was a member of Siamese royal family and a daughter of King Mongkut and Chan Suksathit, one of Mongkut's concubines.[2] She was married to her agnatic half brother, King Chulalongkorn, in circa 1871. Later, she was styled as princess consort.