What animals have more than one stomach?

No animals have more than one stomach, as all animals have only one stomach. But if you are referring to animals that have more than one compartment in their stomach, then here's a list of the following:

Cattle (all breeds and species)

Bison (woodland and American plains)

Sheep (domestic and wild including Dall's, Bighorn, etc.)

Goats (domestic and wild including Mountain goats)

Elk

Moose

Deer (all deer species)

Antelope (all species of antelope, including Pronghorn)

Giraffes

Wildebeast

Water buffalo, Cape buffalo (and other buffalo species)

Hippopotamous

Camels (all species)

Llamas and Alpacas (all species)

Other species I missed