David Grayden (né Ives; 25 May 1924 – 9 June 2003) was an Australian politician who was a member of the Legislative Assembly of Western Australia from 1950 to 1953, representing the seat of Nedlands. Grayden was born in Perth to Ethel May (née Harper) and Aubrey Leonard Ives. His older brother was Bill Grayden, an MP at both state and federal level, while the brothers' maternal grandfather was businessman Nat Harper, who was also involved in politics. Their mother remarried in the 1930s, changing the brothers' surname to that of their step-father. Grayden spent part of his early childhood in the United Kingdom, but eventually returned to Perth, where he attended Wesley College. He went on to the University of Western Australia, graduating with a Bachelor of Arts degree. During World War I