Prince Aditya Dibabha (Thai: ??????????????; RTGS: Athit Thip Apha; IPA: [?a??.t?it??? t?ip??? ?a??.p?a??]; 24 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.