| Borumlaca | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Bihor County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Borumlaca, Vâlcelele, Valea Cerului, Suplacu de Barcău |
| Length: | 14km (09miles) |
| Mouth: | Barcău |
| Mouth Location: | Suplacu de Barcău |
| Mouth Coordinates: | 47.2726°N 22.5522°W |
| Basin Size: | 32km2 |
| Tributaries Left: | Valea Frumoasă |
The Borumlaca is a left tributary of the river Barcău in Romania. It discharges into the Barcău in Suplacu de Barcău. Its length is 14km (09miles) and its basin size is 32km2.