Tjibbe Herman Jan Joustra (born 6 February 1951) is a Dutch civil servant. He is chairman of the Association of Private Security Organizations and Detective Agencies (Dutch: Vereniging Particuliere Beveiligingsorganisaties en recherchebureaus (VPB)) and of the horticultural association (Dutch: Productschap Tuinbouw). He is the former chairman of the board of the UWV and the former National Antiterrorism Coordinator. Joustra is a former member of the party D66, but he helped write the election program of the VVD for the 2010 House of Representatives election.