Daksinajar Naradhirajbutri (Thai: ???????? ?????????????; RTGS: Thaksinacha Narathiratchabuttri; 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.