Risdon is a suburb of Hobart, capital city of Tasmania. It is west of Risdon Vale.
Risdon Post Office opened on 1 July 1864. It was named Gregson during 1911.
It derives its name from Captain William Bellamy Risdon a naval officer.
Between 1916 and 1920 Electrolytic Zinc developed a zinc refinery, and also a suburb of housing of employees of EZ developed with the name of the works as the Risdon works and located in the Risdon suburb.
Currently the zinc works and former workers housing area are found in the Lutana named area.
Eucalyptus risdonii is native to this locatione emblem of Geilston Bay High School.