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Sir A. Seshayya Sastri
|Regions with significant populations|
|Chola Nadu region of Tamil Nadu, Chennai|
|Related ethnic groups|
|Iyer, Tamil people|
Vathima are a subsect of Iyers from the Indian state of Tamil Nadu. Being Iyers, they are all Pancha Dravida Brahmins of the Smartha sect who follow the Advaita philosophy propounded by Adi Shankaracharya.
The Vathima are sub-divided into
- Pathinettu Gramathu Vāthima or Vāthima of the eighteen villages
- Nannilam and
Due to their geographic concentration, it is noted that they tended to be isolated and had an insular culture. As a result, they also tended to be very late in their adoption of the English language and of western culture in general. The insular culture and resultant intermarriage can result in a high degree of consanguinity amongst Vathimas.
In ancient times, the most prevalent profession among the Vathimas was moneylending. Vathima women tended to work as well, either in farming, mat making or moneylending.  They were also known for their scholarship in classical Hindu literature. 
- Sir A. Seshayya Sastri (1828–1903), Lawyer and administrator. Dewan of Travancore from 1872 to 1877 and Dewan of Pudukkottai from 1878 to 1894.
- Semmangudi Srinivasa Iyer (1908–2003), carnatic musician.
- S. Ramadorai (born 1945), former CEO of TCS (1996-2009).