Quinault may refer to:
Quinault people, an Indigenous people of the Pacific Northwest Coast Quinault Indian Nation, a federally recognized tribe Quinault language, their language
People Quinault family of actors, including: Jean-Baptiste-Maurice Quinault (1687–1745), comedian and musician Jeanne Quinault (1699–1783), actor, bluestocking saloniste Philippe Quinault (1635–1688), French dramatist and librettist Marie-Anne-Catherine Quinault (1695–1791), French singer and composer
Places Quinault Canyon Lake Quinault Quinault River, a river located on the Olympic Peninsula in the U.S. state of Washington Quinault Pass Quinault Rainforest Quinault, Washington
Other Quinault Treaty, signed in 1855 MV Quinault, a Steel Electric Class ferry previously part of the Washington State Ferry system Château Quinault, a Saint-Émilion winery