Varananda Dhavaj (Thai: พระวรวงศ์เธอ พระองค์เจ้าวรานนท์ธวัช; RTGS: Waranonthawat), born Varananda Dhavaj Chudadhuj (Thai: วรานนท์ธวัช จุฑาธุช; RTGS: Waranonthawat Chuthathut; 19 August 1922 – 15 September 1990), was the son of Prince Chudadhuj Dharadilok and Mom Ravi Kayananda and grandson of King Chulalongkorn of Thailand.

He enlisted in the RAF on February 24, 1942 under the name Nicky Varanand, was commissioned in 1943, and served as pilot in the Normandy campaign during World War II.

He remained in the RAF, finally retiring as a flight lieutenant in 1960 to fly commercial aircraft for Thai Airways International.

Two children were born from this union: On September 24, 1969, he married his cousin, Princess Galyani Vadhana, King Bhumibol's eldest sister.

He also had two concubines, Princess Kokeaw Prakaykavil na Chiang Mai and Srisalai Suchatwut.