Minister of Development was a Cabinet ministry in the Parliament of Northern Ireland which governed Northern Ireland from 1921 to 1972. The position was established in 1965 to mirror the United Kingdom Department of the Environment.
| # | Name | Took Office | Prime Minister | Party | |
|---|---|---|---|---|---|
| 1. | William Craig | 1 January 1965 | O'Neill | UUP | |
| 2. | William Fitzsimmons | 7 October 1966 | O'Neill | UUP | |
| 3. | Ivan Neill | 19 December 1968 | O'Neill | UUP | |
| Vacant | 3 March 1969 | O'Neill | UUP | ||
| 4. | William Long | 12 March 1969 | O'Neill | UUP | |
| 5. | Brian Faulkner | 3 May 1969 | Chichester-Clark | UUP | |
| 6. | Roy Bradford | 25 March 1971 | Faulkner | UUP | |