Nicholas Joseph Orville Liverpool (9 September 1934 – 1 June 2015) was a politician and jurist from Dominica who served as the sixth President of Dominica from 2 October 2003 to 17 September 2012.

In 1957, Liverpool entered the University of Hull and obtained an LL.B (Hons.) degree in 1960. He was called to the bar at Inner Temple in 1961. He obtained a Ph.D degree from University of Sheffield in 1965. After returning to the Caribbean, he spent 18 years as a law lecturer at the University of the West Indies in Barbados and in 1992 became dean of its law school. He served as a regional judge and then an appeal court judge in several countries in the Caribbean including Belize and Grenada. He also served as a high court judge in Antigua and Montserrat and served on a number of tribunals and commissions for legal reform. In 2002 he was chairman of the constitutional review commission for Grenada. The University of Hull awarded him a degree of Doctor of Laws in July 2011.

Liverpool became Ambassador to the United States in March 1998, serving in that capacity until 2001.

In the same year as elected president, Liverpool was awarded the Dominica Award of Honour. Between 2002 and 2003 he also served as a Member of the UNESCO governing board. In July 2008 he agreed to serve a second term as President upon the expiration of his first term, following a joint nomination by Prime Minister Roosevelt Skerrit and Opposition Leader Earl Williams.

In 2012 Liverpool was awarded and invested by HRH The Duke of Castro as a Knight Grand Cross with Gold Star of the Sacred Military Constantinian Order of Saint George in recognition to his contribution to law and Catholic Life and served from 2014 as Vice Delegate for Dominica for the Order.

Nicholas Liverpool died on 1 June 2015 in Miami, Florida, where he was receiving medical treatment. He was 80 years old.