| Kannikakaew | |
| Princess Khattiyakanlaya | |
| House: | Chakri Dynasty |
| Mother: | Phannarai |
| Birth Date: | 10 December 1855 |
| Birth Place: | Bangkok, Siam |
| Death Place: | Bangkok, Siam |
Princess Kannikakaew, the Princess Khattiyakanlaya (th|กรรณิกาแก้ว; ; 10 December 1855 – 13 May 1882) was the Princess of Siam (later Thailand. She was a member of Siamese royal family and was a daughter of King Mongkut and Princess Phannarai. She was a half-sister (different mother) of King Chulalongkorn and had one younger brother, Prince Narisara Nuvadtivongs.[1]