| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Orthogonioptilum monochromum | Karsch, 1893 | species | Accepted | ||
| Orthogonioptilum ndokiensis | Darge, 2012 | species | Accepted | ||
| Orthogonioptilum neglectum | Darge, 2012 | species | Accepted | ||
| Orthogonioptilum neoprox | Darge, 1992 | species | Accepted | ||
| Orthogonioptilum ngounieense | Basquin, 2021 | species | Accepted | ||
| Orthogonioptilum nigrescens | Bouyer, 1994 | species | Accepted | ||
| Orthogonioptilum nimbaense | Rougeot, 1962 | species | Accepted | ||
| Orthogonioptilum obamba | Darge, 1990 | species | Accepted | ||
| Orthogonioptilum obamba batekensis | Basquin, 2021 | subspecies | Accepted | ||
| Orthogonioptilum obamba obamba | Darge, 1990 | subspecies | Accepted | ||
| Orthogonioptilum occidentalis | Bouyer, 1995 | species | Accepted | ||
| Orthogonioptilum ochraceum | Rougeot, 1958 | species | Accepted | ||
| Orthogonioptilum odiegatum | Rothschild, 1895 | species | Misapplied | ||
| Orthogonioptilum olivescens | Kiriakoff, 1963 | species | Accepted | ||
| Orthogonioptilum oremansi | Darge, 2008 | species | Accepted | ||
| Orthogonioptilum paveci | Darge, 1992 | species | Accepted | ||
| Orthogonioptilum perarcuatum | Darge, 1993 | species | Accepted | ||
| Orthogonioptilum piersoni | Bouyer, 1989 | species | Accepted | ||
| Orthogonioptilum prox | Karsch, 1893 | species | Accepted | ||
| Orthogonioptilum rougeoti | Darge, 1973 | species | Synonym | ||
| Orthogonioptilum sejunctum | Darge, 1993 | species | Accepted | ||
| Orthogonioptilum servatia | (Weymer, 1909) | species | Synonym | ||
| Orthogonioptilum silvaticum | Darge, 1992 | species | Synonym | ||
| Orthogonioptilum solium | Bouyer, 1989 | species | Accepted | ||
| Orthogonioptilum subueleense | Rougeot, 1972 | species | Accepted |