Dhani Nivat, the Prince Bidyalabh Bridhyakon (Thai: ???????????? ???????????????????? ???????????????????????) was a member of the Chakri dynasty and Thai courtier.
Previously known as Prince Dhaninivat Sonakul (?????????????????? ??????), he received princely rank in 1922.
Prince Dhani served many Thai monarchs as Minister of Education and as President of the Privy Council, in the latter capacity he acted as regent for King Bhumibol Adulyadej on three separate occasions.
The prince was also known for his academic writings on Thai history and culture.
He served as president of the Siam Society for over 20 years.