Prince Aditya Dibabha (Thai: อาทิตย์ทิพอาภา; RTGS: Athit Thip Apha; IPA: [ʔaː.tʰít.tʰíp.ʔaː.pʰaː]; 27 July 1900 – 19 May 1946) was a member of the Thai Royal Family and a Siamese political figure. He served as Chairman of the Regency Council between the years 1935 and 1944, as King Ananda Mahidol was still a minor.