| Horus Sa | |
|---|---|
| Weneg ? Senedj ? Sanakht ? | |
 Vessel fragment bearing the inscription Ḥwt-k3 Ḥrw-z3. | |
| Pharaoh | |
| Reign | 2nd or 3rd Dynasty |
| Burial | uncertain, gallery tomb at Saqqara ?, Gisr el-mudir ? |
Horus Sa (also Horus Za, Sa and Za) was a possible early Egyptian pharaoh who may have reigned during the Second or Third Dynasty of Egypt. His existence is disputed, as is the meaning of the artifacts that have been interpreted as confirming his existence.