Robert Nicholson may refer to: Robert Nicholson (judge), Australian jurist Robert Nicholson (Indian Army officer) (1745–1821), British military officer on the Bombay establishment Rob Nicholson (musician) (born 1969), also known as "Blasko", American rock music performer Rob Nicholson (born 1952), Canadian Member of Parliament Bobby Nicholson (1918–1993), American musician and actor Robert Nicholson (piper) (1798–1842), Northumbrian piper