David Arthur Nethercot (born 26 April 1946) is a British structural engineer.

He was the Head of the Civil Engineering Department at Imperial College London until September 2011. He was president of the Institution of Structural Engineers (IStructE) in 2003-04 and the 2009 recipient of their Gold Medal.

In June 2012 he became President of the City & Guilds College Association, the association for engineering alumni of Imperial College. 1 November 2013 he became President of the International Association for Bridge and Structural Engineering (IABSE).