Tromp may refer to: Tromp (surname), a Dutch occupational surname HNLMS Tromp, several ships of the Royal Netherlands Navy named after the admirals Tromp-class cruiser, named after the first of these ships Tromp-class frigate, two frigates TROMP, a biennial percussion competition and music festival and competition in Eindhoven, Netherlands Trompowsky Attack, a chess opening See also Trompe, a hydropowered pump which produces pressurised air Trump (disambiguation)