Giant orchid is a common name for several plants and may refer to:
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Grammatophyllum speciosum
''Grammatophyllum speciosum'', also called giant orchid, tiger orchid, sugar cane orchid or queen of the orchids, is a species of orchid native to Laos, Myanmar, Thailand, Vietnam, Borneo, Indonesia (Sumatra, Java, Sulawesi) and Malaysia. It has ...
'', native from New Guinea to the Philippines and one of the world's largest orchids
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Orthochilus ecristatus
''Orthochilus ecristatus'', or giant orchid, is a terrestrial species of orchid native to Cuba and to the southeastern United States (from Louisiana to North Carolina). It was previously known as ''Eulophia ecristata'' or ''Pteroglossaspis ecrist ...
'', native to the southeastern United States
{{Plant common name