Surname โอสถ (โอสถ 
, Osot 
, Osoth 
) , across the world, is a rare family name. The surname โอสถ is characteristic of South-eastern Asia, particularly Thailand, where it is quite a rare surname, Malaysia, where it is an extremely rare surname, and Philippines. Also, โอสถ is the forename as well as the last name.
| โอสถ โกศิน TH (b. 1913) |
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