Marinus Johannes "Marco" Kroon (15 July 1970), is a Dutch military officer serving with the Korps Commandotroepen. Kroon is one of only three living knights of the Military Order of William and the first new member appointed to this Dutch Order in over half a century. The Military William Order is the highest honour in the Netherlands, bestowed for "performing excellent acts of Bravery, Leadership and Loyalty in battle".