Nieuwerkerk is a submarine volcano in the Banda Sea, Indonesia. Along with the Emperor of China submarine volcano, the two twin forms a ridge (NEC ridge) on the seabed. The NEC ridge were dredged at depths ranging from 3,100–2,700 metres (10,170–8,858 ft).

Nieuwerkerk is a village in the Dutch province of Zeeland. It is a part of the municipality of Schouwen-Duiveland, and lies about 23 km south of Hellevoetsluis.