Vapi Busbakara (Thai: ???????????; RTGS: Wapibutsabakon; 25 June 1891 – 15 December 1982) was the Princess of Siam (later Thailand).
She was a member of Siamese Royal Family.
She is a daughter of Chulalongkorn, King Rama V of Siam.
She was one of the longest-living personages in Thai history.
Her mother was Chao Chom Manda Phrom (daughter of Phraya Phitsanuloka Thibodi), but her mother died while she was very young.
Later, Queen Savang Vadhana took her in as her adopted daughter, along with her elder sister, Princess Prabha Bannabilaya, including also her full siblings Princess Yaovabha Bongsanid, and Prince Rangsit Prayurasakdi.
She had 3 full siblings; 2 elder sisters, and 1 younger brother;
Princess Prabha Bannabilaya (13 August 1885 – 8 September 1948)
Princess Prabai Bannapilas (13 August 1885 – 17 September 1886) Princess Prabha Bannabilaya's twin sister.
Prince Samaya Vudhirodom (13 September 1888 – 9 December 1889)Princess Vapi Busbakara was the only adopted daughter of Queen Sri Savarindira, who managed and took care of her stepmother's body at death, before traditional Buddhist Royal Cremation was observed.
She died on 15 December 1982, at the age of 90.
Royal crematorium was done on 26 March 1983, by King Bhumibol Adulyadej.