Nicolas Rex Smith (born 24 December 1964) is a New Zealand politician who served as a Member of Parliament (MP) for the National Party. Smith represented the Nelson electorate from 1996 to 2020 and, before that, was the member for Tasman from 1990 to 1996. Following his defeat in the Nelson electorate in the 2020 election, he served as a list MP for less than a year before retiring from politics in 2021 after multiple allegations of bullying were made against him. On 8 October 2022, Nick Smith was elected Mayor of Nelson during the 2022 New Zealand local elections.