David Thomas Nish (born 5 May 1960) is a Scottish businessman.
He is the former chief executive (CEO) of Standard Life, a British long term savings and investment company.
He was born and brought up in Barrhead, the son of a Royal Mail sorting office manager father (who died from a cerebral haemorrhage when Nish was just 17) and nurse mother.
He was educated at Paisley Grammar School and the University of Glasgow, where he graduated with a bachelor's degree in accountancy.
He was previously a partner at PricewaterhouseCoopers and finance director of ScottishPower.