| K. Thulasiah Vandayar | |
| Birth Name: | Krishnasami Thulasiah Vandayar |
| Birth Date: | 1929 5, df=yes |
| Birth Place: | Poondi, Thanjavur district, Tamilnadu |
| Occupation: | politician |
| Spouse: | Padmavathi |
| Children: | Krishnasamy VandayarBhuvaneshwari |
Krishnasami Thulasiah Vandayar (11 May 1929 – 17 May 2021) was an Indian politician and head of the Poondi estate in the Thanjavur district of Tamil Nadu, India. He was the member of Lok Sabha for Thanjavur from 1991 to 1996. He was the chairman of the Managing Committee of the AVVM Pushpam College. He died on 17 May 2021 (Monday) at Chennai Saligram.[1]
Vandayar was born on 11 May 1929 to A. Krishnasami Vandayar, the zamindar of Poondi. He was educated at the Loyola College, Chennai.
Vandayar married Padmavathi and had one son T Krishnasamy Vandayar and a daughter.
Vandayar was a member of the Indian National Congress from an early age. In the 1991 Lok Sabha elections, he was elected from the Thanjavur Lok Sabha constituency defeating S. S. Palanimanickam of the Dravida Munnetra Kazhagam party. He served till the 1996 elections which he lost. Vandayar served as the president of the Thanjavur District Congress Committee.[2] [3]