| Isochilus chiriquensis Schltr., 1922 |
| Isochilus crassiflorus A. Rich. & Galeotti, 1845 |
| Isochilus dubius A. Rich. & Galeotti, 1845 |
| Isochilus elegans H. Focke, 1851 |
| Isochilus globosus (Jacq.) Lindl., 1831 |
| Isochilus graminoides (Sw.) Hook., 1826 |
| Isochilus langlassei Schltr., 1920 |
| Isochilus latibracteatus A. Rich. & Galeotti, 1845 |
| Isochilus linearis (Jacq.) R. Br., 1813 |
| Isochilus linearis var. carnosiflorus (Lindl.) Correll, 1941 |
| Isochilus linearis var. unilateralis (B.L. Rob.) Correll, 1941 |
| Isochilus major Schltdl. & Cham., 1831 |
| Isochilus major var. alatus (Schltr.) Correll, 1941 |
| Isochilus major var. amparoanus (Schltr.) Correll, 1941 |
| Isochilus oaxacanus Salazar & Soto Arenas, 2008 |
| Isochilus peruvianus Schltr., 1921 |
| Isochilus pitalensis Hamer & Garay, 1981 |
| Isochilus prolifera Lindl. ex C. Schweinf., 1944 |
| Isochilus ramosus (Jacq.) Spreng., 1826 |
| Isochilus teretifolius (Sw.) Lindl., 1831 |