The Ambassador of the United Kingdom to Kazakhstan is the United Kingdom's foremost diplomatic representative in the Republic of Kazakhstan, and head of the UK's diplomatic mission in Nur-Sultan. The official title is His Britannic Majesty's Ambassador to the Republic of Kazakhstan.

Until 2012 the ambassador to Kazakhstan served concurrently as the non-resident Ambassador to Kyrgyzstan, an ambassadorial position in its own right.

• 1993–1995: Noel Jones
• 1995–1999: Douglas McAdam
• 1999–2002: Richard Lewington
• 2002–2005: James Sharp
• 2005–2009: Paul Brummell
• 2009–2012: David Moran^[1]
• 2013–2018: Carolyn Browne^[2]
• 2018–2021: Michael Gifford^[3]
• 2021–present^[update]: Kathy Leach^[4]

• Kazakhstan and the UK, gov.uk