| Dipterostele helleri (L.O. Williams) Garay & G.A. Romero, 1998 |
| Dithyridanthus Garay, 1982 |
| Dithyridanthus densiflorus (C. Schweinf.) Garay, 1982 |
| Domingoa Schltr., 1913 |
| Domingoa angustifolia (Booth ex Lindl.) J.M.H. Shaw, 2008 |
| Domingoa gemma (Rchb. f.) Van den Berg & Soto Arenas, 2007 |
| Domingoa kienastii (Rchb. f.) Dressler, 1964 |
| Domingoa purpurea (Lindl.) Van den Berg & Soto Arenas, 2007 |
| Dothilophis Raf., 1838 |
| Dothilophis purpurea Raf., 1838 |
| Dracontia (Luer) Luer, 2004 |
| Dracontia cobanensis (Schltr.) Luer, 2004 |
| Dracontia kellogiae (Archila) Archila, 2013 |
| Dracontia pachyglossa (Lindl.) Luer, 2004 |
| Dracontia tenebrosa Archila, Szlach. & Chiron, 2013 |
| Dracontia tuerckheimii (Schltr.) Luer, 2004 |
| Dracula Luer, 1978 |
| Dracula pusilla (Rolfe) Luer, 1978 |
| Dryadella Luer, 1978 |
| Dryadella greenwoodiana Soto Arenas, Salazar & Solano, 2003 |