| Washi Tahsil | |
| Other Name: | Vashi Tahsil, Vasi Tahsil, Wasi Tahsil |
| Settlement Type: | tehsil |
| Pushpin Map: | India Maharashtra |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Maharashtra, India |
| Coordinates: | 18.5333°N 120°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Maharashtra |
| Subdivision Type2: | District |
| Subdivision Name2: | Osmanabad |
| Unit Pref: | Metric |
| Population Total: | 92173 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Blank Name Sec1: | Lok Sabha constituency |
| Blank Info Sec1: | Osmanabad |
| Blank1 Name Sec1: | Vidhan Sabha constituency |
| Blank1 Info Sec1: | Paranda[1] |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Marathi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
Washi Tahsil is a tahsil/taluka (subdistrict) in Osmanabad district, Maharashtra on the Deccan Plateau of India. The town of Washi is the administrative headquarters of the tahsil. There are forty-three panchayat villages in Washi Tahsil.[2]
In the 2001 Indian census, Washi Tahsil had a population of 95,434, with 49,346 (51.7%) males and 46,088 (48.3%) females, for a gender ratio of 934 females per thousand males.[3]
In the 2011 census, Washi Tahsil had 92,173 inhabitants[4] and a gender ratio of 918 females per thousand males.[5] The tahsil was 100% rural. The literacy rate in 2011 was 75.09% overall in Washi Tahsil, with a rate of 85.26% for males and 64.22% for females.[6] In 2011 in Washi Tahsil, 11.3% of the population was 0 to 6 years of age. There was no explanation for the decrease in population from 2001 to 2010 for the tahsil, but the village of Washi suffered even a higher percentage decrease.