Valdore may refer to:
- Admiral Valdore i'Kaleh tr'Irrhaimehn, a Romulan Star navy flag officer active in the mid-22nd century
- Starships and vehicles:
- Mogai-class, a class of heavy warbird sometimes referred to as "Valdore-type"
- IRW Valdore (Mogai-class), a Mogai-class warbird commanded by Commander Donatra in the 2370s and 2380s
- Valdore-class, a variant of the Mogai-class named for IRW Valdore
- IRW Valdore (Scimitar-class), a Scimitar-class warbird commanded by Commander Donatra that was assimilated by the Borg during or after 2387