No, giant pandas are not marsupials; they are classified as mammals within the order Carnivora.
Marsupials are a group of mammals that typically carry and nurse their young in a pouch, such as kangaroos and koalas. In contrast, giant pandas are more closely related to bears and belong to the family Ursidae. They have a unique diet primarily consisting of bamboo, which is different from the carnivorous diet typical of other bears. This dietary specialization is a key characteristic of giant pandas, but it does not make them marsupials. In summary, while both pandas and marsupials are mammals, they belong to different groups and have distinct reproductive strategies.