IRA Director of Intelligence
The Director of Intelligence attempted to oversee the workings of intelligence officers in the IRA's local units across the island.
Director of Intelligence of the Irish Republican Army (1917–1922)
| Image | Name | Assumed position | Left position | Source |
| Eamonn Duggan | August 1917 | January 1919 | ||
| Michael Collins | January 1919 | 1922 |
Director of Intelligence of the (anti-Treaty) Irish Republican Army (1922–1969)
| Image | Name | Assumed position | Left position | Source |
| Joseph Griffin | 26 March 1922 | 1 August 1922 | ||
| Sean Hyde | October 1922 | December 1922 | ||
| Michael Carolan | August 1922 | July 1925 | ||
| Frank Kerlin | July 1925 | March 1927 | ||
| Seán MacBride | circa 1927 | cira 1929 | ||
| Mick Price | circa 1929 | 1933 | ||
| Seán MacBride | 1933 | 1936 | ||
| Sean O'Brien | 1937 | ? | ||
| Willie McGuinness | 1939 | ? | ||
| Gerard O'Reilly | 1942 | ? | ||
| Significant gap in information | - | |||
| Sean O'Bradaigh | 1966 | ? | ||
| Seán Mac Stíofáin | 1966 | 1969 |
a. Griffin was Director of Intelligence of the IRA's Four Courts General Headquarters
b. Hyde was Director of Intelligence of the IRA's Field Headquarters General Headquarters
Director of Intelligence of the Provisional Irish Republican Army (1969–2005)
| Image | Name | Assumed position | Left position | Source |
| Kieran Conway | late 1974 | 1975 | ||
| Seamus Twomey | January 1982 | ? | ||
| Bobby Storey | late 1990s? | 2005? |