| Tillandsia recurvata var. majuscula Mez, 1894 |
| Tillandsia recurvata var. minuta Mez, 1894 |
| Tillandsia rettigiana Mez, 1916 |
| Tillandsia rhodochlamys Baker, 1889 |
| Tillandsia rhomboidea André, 1888 |
| Tillandsia rodrigueziana Mez, 1919 |
| Tillandsia roland-gosselinii Mez, 1916 |
| Tillandsia roseoscapa Matuda, 1972 |
| Tillandsia roseospicata Matuda, 1975 |
| Tillandsia rothii Rauh, 1976 |
| Tillandsia rothschuhiana Mez, 1902 |
| Tillandsia rotundata (L.B. Sm.) C.S. Gardner, 1984 |
| Tillandsia rubentifolia Poiss. & Menet, 1908 |
| Tillandsia rubrispica Ehlers & Koide, 1996 |
| Tillandsia salmonea Ehlers, 1996 |
| Tillandsia santiago-tuxtlensis Matuda, 1977 |
| Tillandsia santosiae Ehlers, 2009 |
| Tillandsia schatzlii Rauh, 1979 |
| Tillandsia schlechtendalii Baker, 1888 |
| Tillandsia schlumbergeri E. Morren ex André, 1894 |