| Honorific-Prefix: | Hon. |
| M. S. Kariapper | |
| Constituency Mp: | Kalmunai |
| Parliament: | Ceylon |
| Successor: | A. M. Merza |
| Term Start: | 20 September 1947 |
| Term End: | 30 May 1952 |
| Predecessor2: | A. M. Merza |
| Successor2: | M.C. Ahamed |
| Term Start2: | 10 April 1956 |
| Term End2: | 20 July 1960 |
| Predecessor3: | M.C. Ahamed |
| Successor3: | M.C. Ahamed |
| Term Start3: | 22 March 1965 |
| Term End3: | 18 February 1968 |
| Birth Date: | 29 April 1899 |
| Grandchildren: | Ruhi Karriaper |
| Profession: | Headmen |
| Alma Mater: | Wesley College, Colombo |
Gate Mudaliyar Mohammed Samsudeen Kariapper (1899–1989) was a Sri Lankan headmen and politician. He was the Parliamentary Secretary to the Minister of Justice and Member of Parliament for Kalmunai.
Kariapper was born in 1899 and educated at Wesley College, Colombo. He served as the Vannia, Karavaku Pattu in the Eastern Province, Sri Lanka and was appointed a Gate Mudaliyar.[1]
Kariapper was elected to Parliament at the 1947 parliamentary election to represent Kalmunai, as a United National Party candidate.[2] He was defeated at the 1952 parliamentary election.[3]
Kariapper entered local politics and became chairman of Kalmunai Town Council.[4] He was elected to Parliament at the 1956 parliamentary election to represent Kalmunai, this time as an Ilankai Tamil Arasu Kachchi candidate.[5] He crossed over to the government within six months of the election. He was appointed Parliamentary Secretary to the Minister of Justice. He was re-elected to Parliament at the March 1960 parliamentary election, this time as a Lanka Democratic Party candidate.[6]
Kariapper formed the All Ceylon Islamic United Front in 1960 and contested the July 1960 parliamentary election as an ACIUF candidate. He was defeated.[7] In late 1960 he was found guilty of corruption by the Thalagodapitiya Bribery Commission.[8]
Kariapper made a second parliamentary comeback when he was elected to parliament at the 1965 parliamentary election to represent Kalmunai, this time as an independent candidate.[9] However he lost his seat and his civic rights were suspended for seven years following the enactment of the Imposition Of Civic Disabilities (Special Provisions) Act (No. 14 of 1965) based on the Thalagodapitiya Bribery Commission Report.[8]