Nigel Robert Haywood CVO (born 17 March 1955) is a British diplomat, the former British ambassador to Estonia and the current Governor of the Falkland Islands.

Haywood was born in Betchworth, Surrey but moved to Cornwall (his mother's home county) when he was nine, following the death of his father. Educated at Truro School, Haywood studied English at New College, Oxford and then attended the Royal Military Academy Sandhurst before going back to Oxford to study linguistics, eventually becoming a Member of the Chartered Institute of Linguists.

After leaving Sandhurst, Haywood was a Lieutenant in the Royal Army Educational Corps before joining Her Majesty's Diplomatic Service in 1983. He first worked in the Foreign and Commonwealth Office with postings in the Republic of Ireland, Hungary, Israel, and Lebanon. In 1992 he be became the Deputy Consul-General in Johannesburg and in 1996 he was appointed Deputy Head of the UK's Delegation to the Organisation for Security and Co-operation in Europe in Vienna.

From 2003 to 2008 Haywood was the Ambassador from the United Kingdom to Estonia, during which time he and his wife featured in the BBC series Monarchy: The Royal Family at Work which documented Queen Elizabeth II's 2006 visit to Tallinn. After five years as Ambassador, Haywood became the Consul-General in Basra, Iraq.

In 2009 it was announced that Haywood had been appointed Governor of the Falkland Islands and Commissioner for South Georgia and the South Sandwich Islands; he took up office on 16 October 2010