Oliver Sean Plunket (born 9 September 1964) is a New Zealand broadcast journalist.
Plunket was born in Christchurch, the son of journalist Patrick Plunket. He was educated at Plimmerton Primary School and Nelson College from 1980 to 1982, where he was a member of the 1st XV rugby union team in 1981 and 1982. He went on to study at the Wellington Polytechnic School of Journalism.
Plunket's early positions in broadcasting and journalism included a brief stint as a copywriter at Radio Windy, five years at Independent Radio News, a short spell as a reporter for Radio New Zealand, three years as a political reporter on TV3, working as a presenter–reporter on TVNZ's Fair Go and Under Investigation programmes, and then further roles at TV3 on 20/20 and as senior political reporter.
From 1997 to 2010, he was one of two breakfast hosts of Morning Report between 6 am and 9 am weekdays on Radio New Zealand National. His regular co-host was Geoff Robinson. In 2009, Plunket lost a dispute with his employer, Radio New Zealand, who he took to the Employment Relations Authority. Plunket announced his resignation from Radio New Zealand in June 2010 and his last day on Morning Report was 8 September 2010.
Plunket has been a recipient of Qantas Media Awards in radio and television categories, the New Zealand Radio Awards and the 2001 European Union Journalist Award.
- Guyon, Espiner (27 September 1997). "The new voice at Morning Report". Evening Post. p. 9.
- Nelson College Old Boys' Register, 1856–2006, 6th edition
- "Sean Plunket: Radio New Zealand National presenter". Radionz.co.nz/. Radio New Zealand. Retrieved 28 February 2014.
- "Sean Plunket loses Radio New Zealand case". Stuff.co.nz. NZPA. 4 November 2009. Retrieved 7 November 2011.
- Fox, Michael (15 June 2010). "Morning Report host Sean Plunket quits". Stuff.co.nz. Retrieved 7 November 2011.
- Romanos, Joseph (28 September 2012). "Sean Plunket leaves Newstalk ZB". Stuff.co.nz. Retrieved 28 February 2014.
- Drinnan, John (22 March 2013). "Maori funds for The GC". New Zealand Herald. Retrieved 28 February 2014.
- "Mark Sainsbury replaces Sean Plunket at Radio Live". Stuff.co.nz. Retrieved 22 November 2017.
- "Sean Plunket columns". The Dominion Post. Retrieved 22 November 2017.
- "THE OPPORTUNITIES PARTY LEADER DR GARETH MORGAN WELCOMES PARLIAMENTARY COMMISSIONER FOR THE ENVIRONMENT'S STAND ON FERAL CATS". The Opportunities Party. 1 May 2017. Retrieved 22 November 2017.