| Official Name: | Rabu' |
| Other Name: | Rabho |
| Native Name: | ربعو |
| Native Name Lang: | ar |
| Settlement Type: | Village |
| Pushpin Map: | Syria |
| Pushpin Label Position: | bottom |
| Pushpin Mapsize: | 250 |
| Pushpin Map Caption: | Location in Syria |
| Coordinates: | 35.0758°N 36.3981°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Governorate |
| Subdivision Name1: | Hama |
| Subdivision Type2: | District |
| Subdivision Name2: | Masyaf |
| Subdivision Type3: | Subdistrict |
| Subdivision Name3: | Masyaf |
| Population Total: | 2,288 |
| Population As Of: | 2004 |
| Population Density Km2: | auto |
| Timezone: | EET |
| Utc Offset: | +2 |
| Timezone Dst: | EEST |
| Utc Offset Dst: | +3 |
| Blank Name Sec1: | City Qrya Pcode |
| Blank Info Sec1: | C3343 |
Rabu′ (Arabic: ربعو, also spelled Rabho) is a Syrian village located in the Masyaf Subdistrict in Masyaf District, located west of Hama. According to the Syria Central Bureau of Statistics (CBS), Rabu′ had a population of 2,288 in the 2004 census.[1]
Rabu' is the site of the ancient Assyrian fortress town of Aribna, part of Lubama. It was where the Assyrian emperor Ashurnasirpal I lodged when the Lukuti area was ravaged.[2]
The tomb of a holy man who was widely venerated in the Masyaf area is located in Rabu'. According to local folklore, "only a man with a clear conscience" could pass through its entrance.[2]