Nevadia
Genus-group name Nevadia may mean:
- Nevadia Walcott, 1910 (Trilobita:Nevadiidae): accepted senior homonym
- Nevadia Caradja, 1920 (Lepidoptera:Gelechiidae): junior homonym, replaced by Venadia Caradja, 1933; synonymized to Megacraspedus in Huemer & Karsholt, 2018