Cattleya milleri is a species in the Cattleya genus. This name is accepted name for the species in the family Orchidaceae subfamily Epidendroideae, tribe Epidendreae, subtribe Laeliinae, . It is in the subgenus Parviflorae section: Parviflorae series: Parviflorae . This species is found in Brazil (Minas Gerais).