Arguments can be made as to what entities can and cannot be considered a god within Norse mythology, therefore we choose to refer to the total collective of these beings as "The Divine".
The term "divine" has many modern implications but we use it in the broadest literal sense of "of, from, or like God or a god."
The Aesir are the most widely known group of Norse Dieities. This includes Odin, Thor, Tyr, and Frigg. They are the gods of man, war, craftsmenship etc.
Much less is known of the Vanir then the Aesir. They are primrodial reprenstations of the natural forces. The Sun and moon, the rain and snow. Major dieites unclude: Nerthus, Frey, and Freya.
The Jotnar, or giants, are primordial forces of chaos and nature. Generally considered the eneimes of the other gods, some are revered among men. Thier ranks include Loki, Jord, and Aegir.
Norse mythology, being one of the main archetypes of modern fantasy, has many different colorful beings inhabiting the many worlds. Including "Elves, trolls, Hugin, and Munin. And many more.