Samuel Ernest "Sammy", Baron van Tuyll van Serooskerken (born 10 October 1951 in Velp) is a Dutch politician and a member of the Dutch nobility. He was co-founder of the Liberal Democratic Party (Liberaal Democratische Partij, abbr. "LibDem")[1] and was head of list for this party in the 2006 and 2012 Parliament elections.