Great Barrier Reef, Located in the Coral Sea off the coast of Queensland in north-east Australia

Coral reef

Separation barrier, prevents the movement of people across a certain line or border or to separate two populations

Sound barrier, a physical boundary stopping large objects from becoming supersonic

Thames Barrier, a flood control structure on the River Thames in England

Noise barrier, noise prevention

Barrierfreeman, a fictional anime character

Great Barrier Island is located in the north of New Zealand

A Jersey barrier (K-rail), a common type of concrete barrier first used in New Jersey to divide highway lanes

Language barrier, culture/linguistics

Belize Barrier Reef

A misspelling of Barriere, British Columbia, a small community in Thompson-Nicola Regional District, British Columbia, Canada

Vapor barrier, construction

Trade barrier, restriction of trade by government

Crash barrier, highway

A barricade is any object or structure that creates a barrier or obstacle to control, block passage or force the flow of traffic in the desired direction. As a military term, the barricade denotes any improvised field fortification, most notably on the...

Barrier Highway, a State highway in New South Wales, Australia

Fitch Barrier

Barrier (pharmaceutical)

Barrier (arcade game), a 1979 arcade game by Vectorbeam

Automatic full barriers, railway

Barrier (computer science), a type of synchronization in parallel computing

Road block

Smith Barrier, an American sports journalist

Barrier Bay, an open bay in Antarctica

Barrière, French surname