Mirror Butterflyfish
Chaetodon speculum
- Least concern
- Card rarity: Common
- Fish

The mirror butterflyfish or oval-spot butterflyfish is a species of butterflyfish. It is found in the Indo-Pacific region from Indonesia to Japan and south to the Great Barrier Reef and Papua New Guinea. The species has also been reported from Madagascar, Mauritius and Réunion.
Classification
- Class
- Actinopterygii
- Order
- Acanthuriformes
- Family
- Chaetodontidae
- Genus
- Chaetodon