Saisavali Bhiromya, the Princess Suddhasininat Piyamaharaj Padivaradda[1] (Thai: สายสวลีภิรมย์; RTGS: Saisawali Phirom), born Princess Sai Ladavalya of Siam (Thai: สาย ลดาวัลย์; RTGS: Sai Ladawan; 4 September 1862 – 24 June 1929) was a consort of Chulalongkorn, the King of Siam.