Companion may refer to:
Companion animal, a pet animal kept for companionship
Companion parrot, a pet parrot that interacts with its owner
Companion weapon, an object held in the non-sword hand while fencing
Companion star, a star in a binary star system
Muhammad's companions, the Sahaba
Companion cavalry, Alexander the Great's elite cavalry
Foot Companion, the primary type of soldier in Alexander the Great's army
Lady's companion, a genteel woman who acted as a companion for woman of rank or wealth
Companion planting, planting of different crops in close physical proximityA
handbook or
guide book or
compendium e.g. Star Trek: Deep Space Nine Companion or The Oxford Companion to MusicCompanion Travel Voucher, a marketing offer or gimmick involving 2 for 1 pricing for travel, subject to numerous restrictions.A
friend or a
significant other
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COMPAGNO. SOCIO. DAMA DI COMPAGNIA. MANUALE. VADEMECUM. SPIRAGLIO. OSTERIGGIO. TAMBUCIO. ACCOMPAGNARE. FARE DA COMPAGNO A. ASSOCIARSI A. STARE IN COMPAGNIA DI