- Narwhal
- Newt
- Nightingale
- Nighthawk
- Nandu (Greater Rhea)
- Nudibranch
- Needlefish
- Numbat
- Nuthatch
- Nautilus
- Nutria
- Nile Crocodile
- Neon Tetra
- Nurse Shark
- Northern Pike
- Nerite Snail
- Nightcrawler
- Nilgai
- Northern Cardinal
- Northern Shoveler
- Nyala
- Northern Lapwing
- Northern Goshawk
