| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Orthogonioptilum fang | Darge, 1990 | species | Accepted | ||
| Orthogonioptilum filippii | Darge, 1992 | species | Accepted | ||
| Orthogonioptilum fontainei | Rougeot, 1962 | species | Accepted | ||
| Orthogonioptilum galleyi | Basquin, 1992 | species | Accepted | ||
| Orthogonioptilum garmsi | Bouyer, 1995 | species | Accepted | ||
| Orthogonioptilum geniculipennis | (Strand, 1910) | species | Synonym | ||
| Orthogonioptilum grootaerti | Bouyer, 2014 | species | Accepted | ||
| Orthogonioptilum guilloteaui | Darge, 1988 | species | Synonym | ||
| Orthogonioptilum herbuloti | Darge, 1988 | species | Accepted | ||
| Orthogonioptilum hodeberti | Darge, 1988 | species | Synonym | ||
| Orthogonioptilum ianthinum | Rougeot, 1960 | species | Accepted | ||
| Orthogonioptilum ianthinum | Rougeot, 1962 | species | Misapplied | ||
| Orthogonioptilum igneolum | Darge, 2012 | species | Accepted | ||
| Orthogonioptilum infernarum | Darge, 1990 | species | Accepted | ||
| Orthogonioptilum infinitum | Darge, 1992 | species | Accepted | ||
| Orthogonioptilum kahli | (Holland, 1921) | species | Accepted | ||
| Orthogonioptilum kasaiensis | Dufrane, 1953 | species | Accepted | ||
| Orthogonioptilum kivuensis | Bouyer, 1990 | species | Accepted | ||
| Orthogonioptilum klinzigi | Darge, 1988 | species | Accepted | ||
| Orthogonioptilum lemairei | Darge, 1986 | species | Accepted | ||
| Orthogonioptilum loloense | Basquin, 1995 | species | Accepted | ||
| Orthogonioptilum luminosa | (Bouvier, 1930) | species | Accepted | ||
| Orthogonioptilum magnificum | Basquin, 1994 | species | Synonym | ||
| Orthogonioptilum mayombensis | Basquin, 2022 | species | Accepted | ||
| Orthogonioptilum modestum | Rougeot, 1965 | species | Accepted |