Princess Praves Vorasamai or Phra Chao Boromwongse Ther Phra Ong Chao Praves Vorasamai (RTGS: Prawet Worasamai) () (2 December 1879 – 31 May 1944), 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 Tabtim Rojanadis, daughter of Phraya Abbhantrikamas and Bang Rojanadis, elder sister of Chao Chom Manda Sae. She had a full elder brother and a younger brother;
Prince Chirapravati Voradej, the Prince of Nakhon Chaisi (7 November 1876 – 4 February 1913) Prince Vudhijaya Chalermlabha, the Prince Singhavikrom Kriangkrai (5 December 1883 – 18 October 1947)
Princess Praves Vorasamai died on 31 May 1944, at the age of 64.
Ancestry +Ancestor of Princess Praves Vorasamai Princess Praves Vorasamai 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 Tabtim 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