| Laelia sanderiana (Rchb. f.) Crawshay, 1902 |
| Laelia sawyeri L.O. Williams, 1943 |
| Laelia schroederiana (Rchb. f.) Crawshay, 1902 |
| Laelia speciosa (Kunth) Schltr., 1914 |
| Laelia superbiens Lindl., 1840 |
| Laelia superbiens var. quesneliana Warner & Williams, 1889 |
| Laelia tibicinis (Bateman) L.O. Williams, 1941 |
| Laelia venusta (hort.) Rolfe, 1895 |
| Laelia violacea Rchb. f., 1854 |
| Laelia x meavei Cetzal & Pérez-García, 2020 |
| Laelia x oaxacana Salazar & R. Jiménez, 2014 |
| Laelia x tlaxiacoensis Solano & Cruz-García, 2019 |
| Laeliinae Benth., 1881 |
| Laeliopsis Lindl. ex Paxton, 1853 |
| Laeliopsis chinensis (Lindl.) Lindl. ex Benth., 1855 |
| Lalexia Luer, 2011 |
| Lalexia quadrifida (Lex.) Luer, 2011 |
| Lankesteriana Karremans, 2014 |
| Lankesteriana abbreviata (Schltr.) Karremans, 2014 |
| Lankesteriana barbulata (Lindl.) Karremans, 2014 |