Colin Maurice Nicholson CNZM QC (21 June 1936 – 31 October 2015) was a New Zealand lawyer and jurist. He served as a judge of the High Court of New Zealand from 1998 until 2009. He also served as a justice of the High Court of the Cook Islands from his appointment in April 2005 until his retirement in May 2012. In 2011, Nicholson became the first judge to prosecute citizens of the Cook Islands for counterfeit DVD piracy.