| Honorific-Prefix: | Hon. |
| A. Sivasunderam | |
| Native Name: | அ. சிவசுந்தரம் |
| Native Name Lang: | ta |
| Constituency Mp: | Kilinochchi |
| Parliament: | Ceylonese |
| Term Start1: | 1960 |
| Term End1: | 1965 |
| Successor1: | K. P. Ratnam |
| Birth Date: | 2 October 1904 |
| Blank1: | Ethnicity |
| Data1: | Ceylon Tamil |
Appucutty Sivasunderam (Tamil: அப்புக்குட்டி சிவசுந்தரம்; born 2 October 1904) was a Ceylon Tamil politician and Member of Parliament.
Sivasunderam was born on 2 October 1904.[1]
Sivasunderam stood as the Illankai Tamil Arasu Kachchi's (Federal Party) candidate in Kilinochchi at the March 1960 parliamentary election. He won the election and entered Parliament.[2] He was re-elected at the July 1960 parliamentary election.[3] He contested the 1970 parliamentary election as an independent candidate but was defeated by the All Ceylon Tamil Congress candidate V. Anandasangaree.[4]