Òðåâîð Áîëäåð (TREVOR BOLDER; 9 èþíÿ 1950, Êèíãñòîí-àïîí-Õàëë, Àíãëèÿ — 21 ìàÿ 2013, Êîòòèíãåì, Àíãëèÿ) — áðèòàíñêèé ðîê-ìóçûêàíò (áàñ-ãèòàðèñò), èçâåñòíûé ïî ìíîãîëåòíåìó ñîòðóäíè÷åñòâó ñ ãðóïïîé URIAH HEEP.