Ibrahim Nasir Rannabandeyri Kilegefan (Dhivehi: އިބްރާހިމް ނާޞިރު ރަންނަބަނޑޭރި ކިލޭގެފާނު), KCMG, NGIV (Nishan Ghaazeege 'Izzatheri Veriya, Dhivehi: ނިޝާން ޣާޒީގެ ޢިއްޒަތްތެރި ވެރިޔާ) (2 September 1926 – 22 November 2008) was a Maldivian politician who served as Prime Minister of the Maldives under Sultan Muhammad Fareed Didi from December 1957 to 1968 and succeeded him to become the first President of the Second Republic from 1968 to 1978.