Nereus may also refer to:
- 12 metre yacht Northern Lights, which competed in the America's Cup under the name Nereus.
- HMAS Nereus, a channel patrol boat of the Royal Australian Navy
- HMS Nereus, the name of several Royal Navy ships
- Nereus (underwater vehicle), a hybrid autonomous underwater vehicle/remotely operated vehicle from the Woods Hole Oceanographic Institution (WHOI)
- SS Nereus, a Greek steamer known previously as the SS Pfalz
- USS Nereus, the name of several US Navy ships
| This disambiguation page lists articles associated with the title Nereus.
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