Occidentella
Genus-group name Occidentella may refer to:
- Occidentella Hoffmann, 1929 (Gastropoda:Pulmonata): Senior accepted homonym, presently considered synonym of Onchidella
- Occidentella Korshunova et al., 2017 (Nudibranchia:Coryphellidae): Junior primary homonym, replaced by Occidenthella Korshunova et al., 2017a