Runar Sjåstad (born 28 August 1968) is a Norwegian politician for the Labour Party.
In the 2001, 2009 and 2013 elections he was elected as a deputy representative to the Parliament of Norway from Finnmark. He hails from Vadsø. In the 2007 elections he was elected as the county mayor of Finnmark, and he was re-elected in 2011.