Surname Santhana (Santhana 
, สันทนา , สันธนะ ) , worldwide, is a rare cognomen. The last name Santhana is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, Singapore, and Thailand. Measured by absolute frequency, it is the most numerous in Thailand, Malaysia, and India. More frequently, Santhana is the forename as well as the last name.
Raj, Prakash, Ganesan, Gopalan, Lakshmi, Arumugam, Bharathi, Krishnan, Pandiyan, Ramasamy, Mariappan, Songrungchairit, Sourivong, Chanthorn, Kalimuthu, Phrommany, Thiamtham, Narayanan, Mahalingam, Srinivasan, Sriwanthana, Subramanian, Pandian, Krishna, Sripaoraya, Murugan, Mari, Mary, Samy, Raja, Devi, Dass, Mohan, Muthu, Selvi, Kumar, Rajamanikam, Pandi, Raman, Rajan, Gopal, Vasan, Selvan, Selvam, Balaji, Kumari, Prabhu, Ramesh, Priya, and Gopalakrishnan