Sir Peter John Trapski KNZM CBE (born 12 October 1935) is a New Zealand jurist.

He chaired the War Pensions Appeal Board from 1989, the Dairy Herd Improvement Tribunal from 1992, and the Judicial Control Authority for Racing from 1994 to 1995.

[1] Trapski was a council member of the Commonwealth Magistrates' and Judges' Association from 1985 to 1989, including a term as vice president between 1988 and 1989.

[1] After retiring from the bench in 1989, Trapski completed a Master of Business Studies degree in dispute resolution at Massey University, graduating in 1998.

[6] In 1997, Trapski was made a Knight of the Order of St Sylvester by Pope John Paul II.