Jill Trevelyan (born 1963) is a New Zealand art curator, reviewer, and author who specialises in 20th century New Zealand art. Her publications include the collected letters of New Zealand painter Toss Woollaston and a biography of New Zealand art dealer Peter McLeavey, which won the Book of the Year award in the New Zealand Post Book Awards in 2014.
As of 2015, she is the manager of the art collection belonging to New Zealand's Ministry of Foreign Affairs and Trade.