| Ceaca | |
| Pushpin Map: | Romania |
| Subdivision Type1: | Country |
| Subdivision Name1: | Romania |
| Subdivision Type2: | Counties |
| Subdivision Name2: | Sălaj County |
| Subdivision Type3: | Villages |
| Subdivision Name3: | Vârteșca, Zalha, Ceaca |
| Length: | 12km (07miles) |
| Mouth: | Șimișna |
| Mouth Location: | Hășmaș |
| Mouth Coordinates: | 47.1865°N 23.5958°W |
| Progression: | Șimișna→ |
| Basin Size: | 53km2 |
The Ceaca is a left tributary of the river Șimișna in Romania. It flows into the Șimișna in Hășmaș. Its length is 12km (07miles) and its basin size is 53km2.