Unlike most flower species, Cattleya orchids frequently hybridize in their native habitat. Below is a list of many known natural hybrids.
- Cattleya × brasiliensis Klinge (1899) = (Cattleya bicolor × Cattleya harrisoniana)
- Cattleya × brymeriana Rchb.f. (1883) = (Cattleya violacea × Cattleya wallisii)
- Cattleya × calimaniana Campacci (2007) = (Cattleya harrisoniana × Cattleya schofieldiana)
- Cattleya × calimaniorum Chiron & V.P.Castro (2005) = (Cattleya schilleriana × Cattleya tigrina)
- Cattleya × colnagiana L.C.Menezes (1996)
- Cattleya × dayana Rolfe (1902) = (Cattleya forbesii × Cattleya guttata)
- Cattleya × dolosa Rchb.f. (1874) = (Cattleya loddigesii × Cattleya walkeriana)
- Cattleya × dukeana Rchb.f. (1887) = (Cattleya bicolor × Cattleya guttata)
- Cattleya × duveenii Pabst & A.Ferreira (1977) = (Cattleya guttata × Cattleya harrisoniana)
- Cattleya × elegans C.Morren (1848) = (Cattleya purpurata × Cattleya tigrina)
- Cattleya × frankeana Rolfe (1907) = (Cattleya schilleriana × Cattleya velutina)
- Cattleya × gaezeriana Campacci (2007) = (Cattleya amethystoglossa × Cattleya bicolor)
- Cattleya × gransabanensis Senghas (1999) = (Cattleya jenmanii × Cattleya lawrenceana)
- Cattleya × hummeliana L.C.Menezes & V.P.Castro (2007) = (Cattleya lawrenceana × Cattleya violacea)
- Cattleya × hybrida H.J.Veitch (1863) = (Cattleya guttata × Cattleya loddigesii)
- Cattleya × imperator Rolfe (1897) = (Cattleya granulosa × Cattleya labiata)
- Cattleya × intricata Rchb.f. (1884) = (Cattleya intermedia × Cattleya tigrina)
- Cattleya × isabella Rchb.f. (1859) = (Cattleya forbesii × Cattleya intermedia)
- Cattleya × itatiayae Porto (1918)
- Cattleya × joaquiniana F.E.L.Miranda (1999) = (Cattleya bicolor × Cattleya walkeriana)
- Cattleya × kautskyi Pabst (1975) = (Cattleya harrisoniana × Cattleya warneri)
- Cattleya × labendziana L.C.Menezes & Braem4 (2006) = (Cattleya nobilior × Cattleya violacea)
- Cattleya × lucieniana Rchb.f. (1885) = (Cattleya forbesii × Cattleya granulosa)
- Cattleya × measuresii Rchb.f. (1886) = (Cattleya aclandiae × Cattleya walkeriana)
- Cattleya × mixta L.C.Menezes (1992) = (Cattleya guttata × Cattleya schofieldiana)
- Cattleya × moduloi L.C.Menezes (1994) = (Cattleya schofieldiana × Cattleya warneri)
- Cattleya × patrocinii St.-Lég. (1890) = (Cattleya guttata × Cattleya warneri)
- Cattleya × picturata Rchb.f. (1877) = (Cattleya guttata × Cattleya intermedia)
- Cattleya × pittiana O'Brien ex Cogn. (1896) = (Cattleya schilleriana × Cattleya harrisoniana)
- Cattleya × resplendens Rchb.f. (1885) = (Cattleya granulosa × Cattleya schilleriana)
- Cattleya × schunkiana Campacci (2007) = (Cattleya porphyroglossa × Cattleya warneri)
- Cattleya × tenuata V.P.Castro & Campacci ex Braem (1995) = (Cattleya elongata × Cattleya tenuis)
- Cattleya × varelae V.P.Castro & Cath. (2004)
- Cattleya × venosa Rolfe (1894) = (Cattleya forbesii × Cattleya harrisoniana)
- Cattleya × victoria-regina auct. (1892) = (Cattleya guttata × Cattleya labiata)
- Cattleya × zayrae V.P.Castro & Cath. (2004) = (Cattleya amethystoglossa × Cattleya elongata)