Kenya: Heads of State: 1963-1964
All Heads of State in the following index are also Heads of State in the United Kingdom of Great Britain and Northern Ireland, and other realms and territories.
| By the Grace of God, of the United Kingdom of Great Britain and Northern Ireland and of Her other Realms and Territories Queen, Head of the Commonwealth, Defender of the Faith | |
| 12 Dec 1963 - 21 Apr 1964 | Elizabeth II |
| Queen of Kenya and of Her other Realms and Territories, Head of the Commonwealth [1] | |
| 21 Apr 1964 - 11 Dec 1964 | Elizabeth II |
- The royal style and titles were changed in accordance with a proclamation issued by command of the Queen on 10 Mar 1964 (effective on publication in the Kenya Gazette, Supplement No. 56, 21 Apr 1964, Legal Notice No. 120, p. 236).