| Birth Place: | Kei Besar, Southeast Maluku Regency |
| Termend2: | 2016 |
| Termstart2: | 2008 |
| Governor2: | Karel Albert Ralahalu Said Assagaff |
| President2: | Susilo Bambang Yudhoyono Joko Widodo |
| Office2: | 1st Vice Mayor of Tual |
| Governor: | Said Assagaff Murad Ismail |
| Party: | Prosperous Justice Party |
| Alma Mater: | Alauddin Islamic State University W.R. Supratman University |
| Adam Rahayaan | |
| Birth Date: | 27 July 1967 |
| Successor: | Akhmad Yani Renuat (act.) |
| Predecessor: | M. M. Taher |
| President: | Joko Widodo |
| Term End: | 31 October 2023 |
| Term Start: | 23 May 2016 |
| Office: | 2nd Mayor of Tual |
| Deputy: | Abdul Hamid Rahayaan (2017–2018) Usman Tamgne |
Adam Rahayaan is an Indonesian politician who served as mayor of Tual city between 2016 and 2023. He became acting mayor at first on 2016 when the incumbent mayor, M. M. Tamher suddenly died and he as vice mayor took the office in accordance of the law. In 2018 when he decided to run as mayor by himself and was elected.[1] His first full term ended on 31 October 2023, and he was replaced by Akhmad Yani Renuat as acting mayor.[2]
Adam also served as a member of the Regional House of Representatives of Southeast Maluku Regency in 1999 and 2004.[3] He is a member of the Prosperous Justice Party since 1999.[4]