His Royal Highness Prince Anusara Siroprasadh or Phra Chao Boromwongse Ther Phra Ong Chao Anusara Siriprasadh (RTGS: Anusorn Siriprasarth) (Thai: ????????????????? ????????????????????????????) (21 February 1891 – 6 May 1900), was the Prince of Siam (later Thailand.
He was a member of Siamese Royal Family.
He is a son of Chulalongkorn, King Rama V of Siam.
His mother was The Noble Consort (Chao Chom Manda) Mom Rajawongse Kesara Sanidvongse, daughter of Mom Chao Savasdi Sanidvongse.
He had an elder full brother, Prince Isariyabhorn
Prince Anusara Siriprasadh died in childhood on 6 May 1900, at the age of only 9 years 3 months.