Roar may refer to :

• Roar (utterance), a sound produced by certain animals such as lions, tigers and mammoths.
• Roar, the King's College London student newspaper
• Brisbane Roar FC, an Australian football club (formerly Queensland Roar FC)
• Roar (movie) a movie set in Africa and produced by Tippi Hedren
• Roar (TV series), a short-lived television drama set in 4th century Ireland
• Roar (UK TV series), a CBBC television series about the animals in a zoo
• Rrröööaaarrr, second album of Canadian progressive metal band Voivod
• The Roar, a 2008 novel by Emma Clayton
• Roar (roller coaster), the name of two wooden roller coasters located at Six Flags America and Six Flags Discovery Kingdom
• ROAR Registry of Open Access Repositories indexes open access institutional repositories.

• "Roar", a Norwegian form of the name Roger
• Roar (dubious Danish king), a dubious legendary king of Denmark
• Roar Ljøkelsøy, a Norwegian ski jumper

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