| Leabhar Buidhe Leacáin | |
|---|---|
| Trinity College Library | |
| Also known as | Yellow Book of Lecan |
| Date | Between 1391 and 1401 |
| Place of origin | Lecan |
| Language(s) | Middle Irish |
| Scribe(s) | Giolla Íosa Mór Mac Fhirbhisigh et al. |
| Material | Vellum |
| Size | 32 cm × 22 cm |
| Format | Folio |
| Script | Irish minuscule |
| Contents | Ulster Cycle etc. |
The Yellow Book of Lecan (YBL; Irish: Leabhar Buidhe Leacáin), or TCD MS 1318 (olim H 2.16), is a late medieval Irish manuscript. It contains much of the Ulster Cycle of Irish mythology, besides other material. It is held in the Library of Trinity College Dublin.