Princess Dibyalangkarn or Phra Chao Boromwongse Ther Phra Ong Chao Dibyalangkarn (RTGS: Thipphayalangkan) () (17 January 1891 – 4 June 1932), was a Princess of Siam (later Thailand). She was a member of the Siamese royal family. She is a daughter of Chulalongkorn, King Rama V of Siam.
Her mother was The Noble Consort (Chao Chom Manda) Sae Rojanadis, daughter of Phraya Abbhantrikamas and Bang Rojanadis. She had 2 full siblings; an elder brother and an elder sister; Prince Khajera Chirapradidha (23 July 1888 – 7 October 1888) Princess Abbhantripaja (31 October 1889 – 18 February 1934)
Princess Dibyalangkarn died on 4 June 1932, at the age of only 41.
Ancestry +Ancestor of Princess Dibyalangkarn Princess Dibyalangkarn Father:Chulalongkorn, King Rama V of Siam Paternal Grandfather:Mongkut, King Rama IV of Siam Paternal Great-grandfather:Buddha Loetla Nabhalai, King Rama II of Siam Paternal Great-grandmother:Queen Sri Suriyendra Paternal Grandmother:Queen Debsirindra Paternal Great-grandfather:Prince Sirivongse, the Prince Matayabidaksa Paternal Great-grandmother:Mom Noi Sirivongs na Ayudhya Mother:Chao Chom Manda Sae Rojanadis Maternal Grandfather:Phraya Abbhantrikamas Maternal Great-grandfather:unknown Maternal Great-grandmother:unknown Maternal Grandmother:Bang Rojanadis Maternal Great-grandfather:unknown Maternal Great-grandmother:unknown