Wolves, coyotes, dholes, dingoes, jackals, and most other Canids can bark (Canid family includes dogs)
Foxes also make bark calls
Pinnipeds such as Seals and Sea Lions are closely related to members of the Canidae family, so they can bark as well
Chinchillas can utter a high-pitched barking call
A few marsupials like quolls and kangaroos
Deer
Some species of monkeys
Chickens go BARK barkbuckbuckbuck
Sheep nearly do, they go bar, which is bark without the k.
Seagull go BWAAAAK, which is also close.
a tree
only fish and cats
dogs and squirrels