• kalbreyeri => fendleri
• kalliantha => Racinaea kalliantha
• kalmbacheri
• kammii
• karinae
• karwinskyana Schult.
• karwinskyana L. B. Sm. => pringlei
• Kashkin
• kauffmannii
• kautskyi

• kegeliana
• kentii
• Keshque => humilis
• kessleri

• kickae
• kienasti => Aechmea tillandsioides
• x kimberley
• kirchhoffiana Wittm.
• kirchhoffiana Mez => foliosa
• kirschnekii

• klausii

• koehresiana
• koideae
• kolbii

• krahnii
• krameri => stricta
• kretzii
• krukoffiana
• krukoffiana var. piepenbringii
• kruseana => T. xerographica
• krystofii => Excluded taxa

• kuehhasii
• kunthiana Gaudich. => latifolia
• kunthiana sensu Griseb. => variabilis
• kunthiana sensu Hemsley => polystachia
• kunthiana var. divaricata => divaricata
• kunthiana var. major => latifolia var. major
• kuntzeana
• kurt-horstii => graomogolensis
• kuzmae