Ronald Keller born on 27 March 1958 is a Dutch diplomat. Till August 2013 he was Ambassador of the Kingdom of the Netherlands to the Russian Federation. He presented his credentials to Russian President Dmitry Medvedev on 12 October 2009.
He was Ambassador of the Netherlands to Ukraine (2005-2009), after having been appointed Director General for International Cooperation at the Dutch Foreign Ministry between 2000 and 2005. Before that, Ron Keller worked at the Ministry of Finance of the Netherlands, e.g. as Director Export Credit Insurance (1994-1997) and Director Foreign Financial Relations (1997-2000). From 1991 till 1994 he served as the first Dutch Executive Director at the European Bank for Reconstruction and Development in London.
As from August 2013 Ron Keller is appointed as Ambassador of the Kingdom of the Netherlands to the Republic of Turkey.