| Sihuas | |
| Native Name Lang: | es |
| Settlement Type: | District |
| Mapsize: | frameless |
| Subdivision Type: | Country |
| Subdivision Name: |  Peru |
| Subdivision Type1: | Region |
| Subdivision Name1: | Ancash |
| Subdivision Type2: | Province |
| Subdivision Name2: | Sihuas |
| Parts Type: | Subdivisions |
| Parts Style: | para |
| Established Title: | Founded |
| Seat Type: | Capital |
| Seat: | Sihuas |
| Leader Title: | Mayor |
| Unit Pref: | Metric |
| Area Total Km2: | 43.81 |
| Elevation M: | 2716 |
| Population Total: | 5163 |
| Population As Of: | 2005 census |
| Population Density Km2: | auto |
| Timezone1: | PET |
| Utc Offset1: | -5 |
| Blank Name Sec1: | UBIGEO |
| Blank Info Sec1: | 021901 |
Sihuas District is one of ten districts that make up the Sihuas Province in the Ancash region of Peru.[1] It is crossed by the Rúpac river, which is a tributary of the Marañón.
This district was created prior to Peru's independence from Spain. At the time, it was part of the then department of Tarma.
The seat of government for the district is the urban center, Sihuas, which serves as the home of 72% of the district's population. The district also includes four rural centers having a population of more than 150 residents: Maraybamba Arriba, San Francisco, Saurapa, and Usamasanga. The largest of these is San Francisco, with 225 residents.
The district has an area of 43.81 km2. and had a population of 5,562 as of the 2007 census.
The main economic activities (by number of workers) include agricultural pursuits (including livestock, hunting, and forestry), teaching, miscellaneous commercial businesses, construction, and manufacturing.
The literacy rate for individuals 15 and older is 89%. The district is beset by a high infant mortality rate of 53.1%.