Tidewater

Tidewater may refer to:


 * Tidewater (region), a geographic area of southeast Virginia, southern Maryland, and northeast North Carolina.
 * Tidewater accent, an accent of American English associated with the Tidewater region of Virginia
 * Tidewater glacier, a classification of glacier
 * Tidewater (marine services), a company providing marine services to the offshore petroleum industry
 * Tidewater Middle East Co., an Iranian port operator company that belongs to IRGC
 * Tidewater (Amtrak train), a former passenger train in Virginia
 * Tidewater, Oregon, a settlement
 * Tidewater Petroleum, a former name of Getty Oil
 * Tidewater architecture, a style of architecture found mostly in coastal areas of the Southern United States
 * Tidelands, an area affected by the tide
 * Tidewater, Florida, a place in Florida
 * Tidewater (marketing), a term used by industries and governments
 * Tidewater cypress, the bald cypress (Taxodium distichum)