Roland Tullen Kun (born May 6, 1970) is a Nauruan politician and Member of Parliament.
Kun was elected in 2004 to serve as a Member of the Parliament of Nauru and served as Minister of Justice.
Kun was elected to the seat of Buada in 2004, 2007, 2008, in the April and June 2010 elections, and in 2013. He was a member of the Scotty government from 2004 to 2007, a member of the Stephen government from 2007 to 2012, and a member of the Dabwido government for much of the first half of 2013.
From December 2007 to November 2011 he was Minister for Fisheries and Minister for Education. From June 2012 until February 2013, he held portfolios of Finance & Sustainable Development, as well as Education and Justice & Border Control.
He was appointed finance minister in 2012 by then President Sprent Dabwido, but resigned and defected to the Opposition after a disagreement with President Dabwido over the latter’s declaration of a state of emergency.