Oppy

Oppy may refer to:

• the nickname of Opportunity rover, a Mars rover that landed on the planet Mars in 2004
• a nickname for J. Robert Oppenheimer (most often spelled "Oppie"), the Manhattan Project leader
• the nickname of Hubert Opperman, Australian cyclist and politician, whose endurance cycling feats in the 1920s and 1930s earned him international acclaim
• Oppy, Pas-de-Calais, a commune of the Pas-de-Calais département, in northern France
• Shortened form of optimist (dinghy)
• Professor and author Graham Oppy, born 1960 in Australia