Robin Charles Moreton Harper, FRSSA (born 4 August 1940) is a Scottish politician, who was a Member of the Scottish Parliament (MSP) for the Lothians region (1999–2011). He was co-convener of the Scottish Greens (2004–2008). Harper became an MSP in the first elections to the Scottish Parliament in 1999, the first ever elected Green parliamentarian in the United Kingdom.