The soft-plumaged petrel (Pterodroma mollis) is a species of seabird in the family Procellariidae.

Small numbers breed in the Maatsuyker Island Group of southern Tasmania.

It disperses outside the breeding season, reaching eastern South America north to Brazil, southern Africa and Australia.

Its plumage is dark grey and white, and its wings are narrow and with a pointed tail distinct in flight.

It has a dark grey head with prominent white feathers on the cheeks and throat.