Fabian Dominic Ribauw (born January 18, 1971) is a politician from the Pacific island nation of Nauru.
Ribauw was born in Baitsi. He studied in Australia and earned a BA in Economics from La Trobe University, Melbourne.
Ribauw served a period as a Member of the Parliament of Nauru. He was the Speaker of the Parliament of Nauru from 29 May 2003 to 8 August 2003.
In the elections held in April 2008, Ribauw lost his seat in the Parliament of Nauru.