| Saisavali Bhiromya | |
| Princess Suddhasininat Piyamaharaj Padivaradda | |
| Issue: | Yugala Dighambara, Prince of Lopburi Nabhachara Chamrassri Malini Nobhadara, Princess of Sisatchanalai Nibha Nobhadol, Princess of Uthong |
| Succession: | Princess consort of Siam |
| Reign: | 1881 – 23 October 1910 |
| Reign-Type: | Tenure |
| House: | Chakri Dynasty |
| Father: | Ladavalya, Prince of Bhumindra Bhakdi |
| Mother: | Chin |
| Birth Name: | Princess Sai Ladavalya |
| Birth Date: | 4 September 1862 |
| Birth Place: | Bangkok, Siam |
| Death Place: | Bangkok, Siam |
Saisavali Bhiromya, the Princess Suddhasininat Piyamaharaj Padivaradda[1] (th|สายสวลีภิรมย์;), born Princess Sai Ladavalya of Siam (th|สาย ลดาวัลย์; ; 4 September 1862 – 24 June 1929) was a consort of Chulalongkorn, the King of Siam.
She was a daughter of Ladavalya, Prince Bhumindra Bhakdi and Lady Chin. Her sisters, Ubolratana Narinaga and Saovabhark Nariratana, also became wives of Chulalongkorn[2]
Princess Saisavalibhirom died on 24 June 1929 at the age 66.