Dean "Deano" Downing (born 24 January 1975) is an English retired bicycle racer, specialising in road cycling who last rode for NFTO Pro Cycling. Downing was educated at Wales High School and Sheffield Hallam University, where he graduated in 1998 with a degree in Construction Management. He rode for the DFL-Cyclingnews-Litespeed team in 2006 and is the older brother of former British champion Russell Downing. In 2004, he represented Great Britain at the World Track Championships.

For the 2007 season, Downing rode for the original Rapha Condor team and focussed on the British Premier Calendar. In 2008 the team became Rapha-Condor-Recycling.co.uk. After spending six years with the Rapha Condor squad Downing moved to the new Madison-Genesis team for 2013. In September 2013 it was announced that Russell and Dean Downing would join the new NFTO cycling team for 2014. Downing retired from racing after competing at the 2014 Sheffield Grand Prix, near his hometown of Rotherham. After retiring he became directeur sportif for the Polypipe Cycling Team in 2015. After the team disbanded at the end of the year Downing took up a DS role with his former team JLT-Condor for 2016. In January 2018 Downing was announced as DS and performance coach for the newly revived Holdsworth team.