Sir John Hugh Williams KNZM KC (born 23 September 1939), generally known as Hugh Williams, is a former president of the New Zealand Electoral Commission and a retired judge of the High Court of New Zealand.

He was the longest serving Judge based at the High Court of New Zealand at Auckland for many years, until he retired on 22 September 2009.

He is a former president of the New Zealand Law Society, and a current trustee of the Kea Conservation Trust.

[4] In 2009, he was appointed president of the Electoral Commission and succeeded Andrew McGechan.

[10] In the 2010 Queen's Birthday Honours, Williams was appointed an Additional Knight Companion of the New Zealand Order of Merit, for services as a judge.