| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Sinomphisa jeannelalis | (Marion & Viette, 1956) | species | Accepted | ||
| Sirana ankalirano | Griveaud, 1977 | species | Accepted | ||
| Sirana beloha | Griveaud, 1977 | species | Accepted | ||
| Sirana lygropis | (Collenette, 1954) | species | Accepted | ||
| Sociognatha oligoropa | Diakonoff, 1989 | species | Accepted | ||
| Soganaclia roedereri | Griveaud, 1971 | species | Accepted | ||
| Soganaclia tsaratananae | Griveaud, 1971 | species | Accepted | ||
| Soganaclia viridisparsa | Griveaud, 1964 | species | Accepted | ||
| Somatina lia | Prout L. B., 1915 | species | Accepted | ||
| Somatina sedata | Prout L. B., 1922 | species | Accepted | ||
| Sommeria malgassica | (Toulgoët, 1954) | species | Accepted | ||
| Sommeria septempuncta | (Hampson, 1910) | species | Accepted | ||
| Sonitha lila | Zolotuhin & Prozorov, 2010 | species | Accepted | ||
| Spatulosia africana | (Hampson, 1900) | species | Accepted | ||
| Spatulosia malgassica | Toulgoët, 1965 | species | Accepted | ||
| Sphenarches anisodactylus | (Walker, 1864) | species | Accepted | ||
| Sphenarches caffer | (Zeller, 1852) | species | Accepted | ||
| Sphenarches cafferoides | Gibeaux, 1996 | species | Accepted | ||
| Sphingonaepiopsis malgassica | Clark, 1929 | species | Accepted | ||
| Sphingonaepiopsis obscurus | (Mabille, 1880) | species | Accepted | ||
| Sphyrocosta madecassa | (Viette, 1973) | species | Accepted | ||
| Spilosoma brunneomixta | Toulgoët, 1971 | species | Accepted | ||
| Spilosoma hercules | (Toulgoët, 1956) | species | Accepted | ||
| Spilosoma mediocinerea | (Toulgoët, 1956) | species | Accepted | ||
| Spilosoma melanimon | Mabille, 1880 | species | Accepted |