Dibyalangkarn  Her Royal Highness" 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 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;  Princess Dibyalangkarn died on 4 June 1932, at the age of only 41.