Cattleya harrisoniana

{{taxobox |name = Harrison's Cattleya |image = Cattleya harrisoniana.jpg |regnum = [[Plantae] ] |unranked_divisio = Angiosperms |unranked_classis = Monocots |ordo = Asparagales |familia = Orchidaceae |subfamilia = Epidendroideae |tribus = Epidendreae |subtribus = Laeliinae |alliance = Cattleya |genus = Cattleya |subgenus = Intermedia |species = C. harrisoniana |binomial = Cattleya harrisoniana |binomial_authority = Bateman ex Lindl. |synonyms =

|}}

Cattleya harrisoniana ("Harrison's Cattley's orchid") is a bifoliate Cattleya species of orchid. The diploid chromosome number of C. harrisoniana has been determined as 2n = 40. The haploid chromosome number of C. harrisoniana has been determined as n = 20.