| Honorific-Prefix: | Hon. |
| P. Manicavasagam | |
| Honorific-Suffix: | MP |
| Constituency Mp: | Kalkudah |
| Parliament: | Ceylonese |
| Term Start1: | 1960 |
| Term End1: | 1965 |
| Predecessor1: | A. H. Macan Markar |
| Successor1: | K. W. Devanayagam |
| Birth Date: | 11 December 1912 |
| Party: | Illankai Tamil Arasu Kachchi |
| Blank1: | Ethnicity |
| Data1: | Ceylon Tamil |
Ponniah Manicavasagam was a Ceylon Tamil politician and Member of Parliament.
Manicavasagam was born on 11 December 1912.[1]
Manicavasagam stood as the Illankai Tamil Arasu Kachchi's (Federal Party) candidate for Kalkudah at the 1956 parliamentary election but was defeated by A. H. Macan Markar.[2] He stood again at the March 1960 parliamentary election. This time he won the election and entered Parliament.[3] He was re-elected at the July 1960 parliamentary election.[4] He stood for re-election at the 1965 parliamentary election but was defeated by the United National Party candidate K. W. Devanayagam.[5] He was defeated by Devanayagam at the 1970 parliamentary election as well.[6]