Oreoglanis sudarai is a species of catfish in the family Sisoridae found in the upper reaches of the Ping River drainage, itself a tributary of the Chao Phraya River in northern Thailand. The species was discovered by Vidthayanon, Saenjundaeng and H.H. Ng in 2009.
This species reaches a length of .
The fish is named in honor of Surapol Sudara (1939âÂÂ2003), a Thai marine biologist who was prominent in raising awareness of the conservation of aquatic environments in Thailand.