| Northern Ireland Under-18 Schools | |
| Flag: | Flag of Northern Ireland.svg |
| Fifa Trigramme: | NIR |
| Nickname: | The GAWA, Norn Iron |
| Association: | Irish Football Association |
| Confederation: | UEFA (Europe) |
| Coach: | Conor Marlin & Frankie Wilson |
| Home Stadium: | various |
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| First Game: | NI U18 Schools 1-1  Australia U18 (17 December 1988, Antrim) |
| Largest Win: | Jersey U18 0-6 NI U18 Schools (4 February 2009, St. Helier) |
| Largest Loss: | Australia U18 8-0 NI U18 Schools (9 January 2001, Canberra) |
| Regional Name: | Centenary Shield |
The Northern Ireland national under-18 schools football team (also known as Northern Ireland U18 schoolboys) represents Northern Ireland in association football at under-18 level. It is controlled by the Northern Ireland Schools Football Association (NISFA) which is affiliated to the Irish Football Association. The main competition competed for by the team is the Centenary Shield (founded 1973) which they won on the first occasion that they entered in 1996. The Northern Ireland under-18 schoolboys side also competes regularly in other minor tournaments and in friendlies.