'Companion' may refer to:
★
Companion animal, a pet animal kept for companionship
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Companion parrot, a pet parrot that interacts with its owner
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Companion weapon, an object held in the non-sword hand while fencing
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Companion star, a star in a binary star system
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Muhammad's companions, the Sahaba
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Companion cavalry, Alexander the Great's elite cavalry
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Foot Companion, the primary type of soldier in Alexander the Great's army
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Lady's companion, a genteel woman who acted as a companion for woman of rank or wealth
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Companion planting, planting of different crops in close physical proximity
★ A
handbook or
guide book or
compendium e.g. ''Star Trek: Deep Space Nine Companion'' or ''The Oxford Companion to Music''
★ A
friend or a
significant other
'In fiction:'
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Companion (''Doctor Who''), a character who travels with the Doctor in the TV series ''Doctor Who''
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Companion (''Firefly''), a type of courtesan and entertainer in the TV series ''Firefly''
★ The Companions or
Heroes of the Lance, a group of heroes in the fictional ''Dragonlance'' world
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Companion (manga), an ongoing manga series published in Kodansha's Magazine Z
'In music:'
★
Companion (Patricia Barber album), a (1999) album by
Patricia Barber