Seaboard is a synonym for coastline. It can also refer to:
Places Seaboard, North Carolina, a small town in the United States Seaboard Historic District Seaboard, Virginia, an unincorporated community and coal town in the United States
Railroads Seaboard and Roanoke Railroad, 1833 Seaboard Air Line Railroad, 1900 Seaboard Coast Line Railroad, 1967 Seaboard Coast Line Industries, 1969 Seaboard System Railroad, 1982
Other uses Seaboard Corporation, an international agribusiness company Seaboard International, an international oilfield equipment engineering and manufacturing company, or its subsidiary Seaboard Wireline Seaboard World Airlines (1960 to 1980), an international cargo airline that also served as a U.S. military carrier ROLI Seaboard, musical instrument designed and made by ROLI
See also Seeboard, a former British electricity company Eastern seaboard (disambiguation)
East Coast (disambiguation) West Coast (disambiguation)