Trevor Michael Thomas Kavanagh (born 19 January 1943) is an English-born journalist and political commentator. He is best known for his long career at The Sun, where he served as political editor from 1983 to 2005 and later as associate editor. He retired in July 2024 after covering the United Kingdom general election.

Kavanagh was born in Southall, Middlesex, and educated at Reigate Grammar School.

He left school at 17 to work for newspapers in Surrey and later Hereford. In 1965, he emigrated to Australia, working on several newspapers. After a short stint back in the United Kingdom with the Bristol Evening Post, he returned to Australia to work on the political desk of the Daily Mirror in Sydney.

In 1978, he returned to the United Kingdom permanently, joining the news desk of The Sun. He became industrial correspondent in 1980 and political editor in 1983.

In January 2004, Kavanagh published details of the Hutton Inquiry before its official release, based on information from an anonymous source.

He covered his last UK general election as political editor in May 2005. Later that year, it was announced he would become associate editor of The Sun. His successor as political editor was his deputy, George Pascoe-Watson.

In December 2015, Kavanagh joined the board of the Independent Press Standards Organisation (IPSO). He left the board in December 2017 after two years.

He served as Chairman of the House of Commons Press Gallery in 1999–2000. He was also chairman of the Lobby journalists.