| Scientific name | Authorship | Rank | Status | Images | |
|---|---|---|---|---|---|
| Siccia kirkspriggsi | Volynkin, 2023 | species | Accepted | ||
| Siccia kota | Volynkin, 2023 | species | Accepted | ||
| Siccia kpelle | Volynkin, 2023 | species | Accepted | ||
| Siccia kravchenkoi | Volynkin, Müller, Prozorov & Saldaitis, 2022 | species | Accepted | ||
| Siccia kuehnei | Volynkin, 2023 | species | Accepted | ||
| Siccia kundalila | Volynkin, 2023 | species | Accepted | ||
| Siccia laszlogyulai | Volynkin, 2023 | species | Accepted | ||
| Siccia lubumbashia | Volynkin, 2023 | species | Accepted | ||
| Siccia lydiae | Volynkin, 2023 | species | Accepted | ||
| Siccia mago | Volynkin, 2023 | species | Accepted | ||
| Siccia makao | Volynkin, 2025 | species | Accepted | ||
| Siccia malfakassa | Volynkin, 2023 | species | Accepted | ||
| Siccia margopuncta | Kühne, 2007 | species | Accepted | ||
| Siccia margopuncta margopuncta | Kühne, 2007 | subspecies | Accepted | ||
| Siccia margopuncta patterna | Volynkin, 2023 | subspecies | Accepted | ||
| Siccia mayombe | Volynkin, 2023 | species | Accepted | ||
| Siccia mbeli | Volynkin, 2023 | species | Accepted | ||
| Siccia megista | Volynkin, 2023 | species | Accepted | ||
| Siccia melanospila | Hampson, 1911 | species | Accepted | ||
| Siccia meyi | Volynkin, 2023 | species | Accepted | ||
| Siccia micronodula | Volynkin, 2023 | species | Accepted | ||
| Siccia microsticta | Hampson, 1914 | species | Accepted | ||
| Siccia mikongo | Volynkin, 2023 | species | Accepted | ||
| Siccia milesi | Volynkin, 2023 | species | Accepted | ||
| Siccia modesta | (Moore, 1878) | species | Synonym |