| Chavi Vilaya Gagananga | |
| Princess of Siam | |
| Spouse: | Prince Svasti Sobhana, the Prince Svastivatana Visishtha |
| House: | Chakri Dynasty |
| Father: | Gagananga Yukala, The Prince Bijitprijakara |
| Mother: | Mom Sun Gagananga Na Ayudhya |
| Birth Date: | 29 March 1881 |
| Birth Place: | Bangkok, Siam |
| Death Place: | Bangkok, Siam |
Chavi Vilaya Gagananga (Thai: ฉวีวิลัย คัคณางค์ ; :complete title: Her Serene Highness Princess (Mom Chao) Chavi Vilaya Gagananga Thai: ฉวีวิลัย คัคณางค์ ; 29 March 1881 – 14 November 1930) is a Princess of Siam, a member of Siamese royal family and a member of House of Gangananga a royal house which was originated by his father and descends from Chakri Dynasty.