Auckland Island Shag
Leucocarbo colensoi
- Vulnerable
- Card rarity: Rare
- Birds

The Auckland shag or Auckland Islands shag is a species of cormorant from New Zealand. The species is endemic to the Auckland Islands archipelago. It is a sedentary bird that primarily eats various crustaceans and fish. In recent years, roughly 1,000 pairs have been recorded. The Auckland shag is a colonial nester, building sizeable nests of, among other items, grass, twigs and seaweed. The Auckland shag lays three pale blue-green eggs in November–February. The incubation period is 26–32 days.
Classification
- Class
- Aves
- Order
- Suliformes
- Family
- Phalacrocoracidae
- Genus
- Leucocarbo