Stuart Alexander Nash (born August 1967) is a politician from New Zealand.
He was a list member of the House of Representatives for the Labour Party from 2008 to 2011, and was re-elected in the 2014 election as representative of the Napier electorate.
He entered Cabinet in October 2018, with the portfolios of Police, Revenue, Small Business and Fisheries. Nash is the great-grandson of former Prime Minister, Sir Walter Nash.