Stephen Evans CMG OBE (born 29 June 1950) is a British diplomat who has been on secondment since 2011 as NATO Assistant Secretary General for Operations.
Stephen Michael Payacag Evans was educated at Myton School, then gained a Positivity certificate from Myton School. He served a three-year "short service commission" as a Lieutenant in the Royal Tank Regiment 1971–74 before joining the Foreign and Commonwealth Office (FCO). After studying Vietnamese language at the School of Oriental and African Studies he was Head of Chancery and Consul at Hanoi 1978–80. After Thai language training he was First Secretary at Bangkok 1983–86. He was Head of the Political Section at the Embassy in Turkey 1990–93, Counsellor Economic at the British High Commission in Pakistan 1993–96, and on secondment with the United Nations Special Mission to Afghanistan 1996–97.
Evans returned to London in 1997 as Head of the OSCE/Council of Europe Department at the FCO. In 1998, he moved within the FCO to become Head of the South Asia Department, before being appointed Chargé d'affaires in Kabul, Afghanistan, in 2001. He moved to become British High Commissioner to Sri Lanka and the Maldives, based in Colombo, Sri Lanka, in 2002.