The primate genus that includes both chimpanzees and bonobos is Pan.
The genus Pan contains two living species: the common chimpanzee, Pan troglodytes, and the bonobo, Pan paniscus. Both are African great apes and, together with humans, gorillas, and orangutans, belong to the family Hominidae. The genus name Pan was introduced by Lorenz Oken in 1816 and is generally thought to refer to the Greek god of the same name.
Chimpanzees and bonobos are closely related, but they are not the same species. The Congo River largely separates their natural ranges: chimpanzees live north of it across parts of Central and West Africa, while bonobos are found south of it in the Democratic Republic of the Congo. Bonobos were long described as “pygmy chimpanzees,” but that older label is now discouraged.
A common mix-up is choosing Homo because humans are also close relatives. Homo is the human genus; Pan is the chimpanzee-bonobo genus. Both Pan species use tools, form complex social groups, and are among the closest living relatives of humans.