| Honorific-Prefix: | Hon. |
| K. Navaratnam | |
| Honorific-Suffix: | MP |
| Constituency Mp1: | Jaffna District |
| Parliament1: | Sri Lanka |
| Term Start1: | 1989 |
| Term End1: | 1994 |
| Birth Date: | 2 January 1935 |
| Party: | Eelam People's Revolutionary Liberation Front |
| Blank1: | Ethnicity |
| Data1: | Sri Lankan Tamil |
Kandiah Navaratnam (born 2 January 1935) is a Sri Lankan Tamil politician and former Member of Parliament.
Navaratnam was born on 2 January 1935.[1] He was educated at Jaffna Hindu College.[2] He is a Hindu.[1]
Navaratnam contested the 1989 parliamentary election as one of the Eelam People's Revolutionary Liberation Front's candidates in Jaffna District and was elected to Parliament.[3]