Nicholas Arnold

Nicholas or Nick Arnold may refer to:

Politicians

 * Nicholas Arnold (1507–1580), English courtier and politician
 * Nicholas Arnold (MP for Monmouthshire) (1600–1665)

Others

 * Nick Arnold (writer) (born 1964), British writer of science books for children
 * Nick Arnold (footballer) (born 1993), English association footballer
 * Nicky Arnstein (1879–1965), alias Nick and Nicholas Arnold
 * Edwin Nicholas Arnold (1940–2023), British herpetologist at the Natural History Museum, London