| Širvintos District Municipality | |
| Native Name: | Širvintų rajono savivaldybė |
| Native Name Lang: | lt |
| Settlement Type: | Municipality |
| Image Map1: | SirvintuRajonoSeniunija.png |
| Map Caption1: | Map of municipality |
| Subdivision Type: | Country |
| Subdivision Name: |  Lithuania |
| Subdivision Type1: | Ethnographic region |
| Subdivision Name1: | Aukštaitija |
| Subdivision Type2: | County |
| Subdivision Name2: | Vilnius County |
| Seat Type: | Capital |
| Seat: | Širvintos |
| Parts Type: | Elderships |
| Unit Pref: | Metric |
| Area Total Km2: | 906 |
| Population Total: | 15,023 |
| Population As Of: | 2021[1] |
| Population Density Km2: | auto |
| Timezone1: | EET |
| Utc Offset1: | +2 |
| Timezone1 Dst: | EEST |
| Utc Offset1 Dst: | +3 |
| Area Code Type: | Telephone code |
| Blank Name Sec1: | Major settlements |
Širvintos District Municipality (Lithuanian: Širvintų rajono savivaldybė) is a municipality in Lithuania, it is in territory of Vilnius County and its capital is Širvintos.
The territory of the municipality is 906 km². Širvintos City, 5 towns – Bagaslaviškis, Čiobiškis, Gelvonai, Kernavė, Musninkai and 485 villages are in the municipality. Forests occupy 27.7% of the whole region’s territory.
The biggest rivers of the region are Neris, Širvinta and Musė. There are 28 lakes; the largest of them is Alys, which covers 1.65km2, and the deepest is Gelvė, which is 25m (82feet) deep.
In the territory of the region are Kernavė’s Historical Reservation, botanical reserves for growing cranberries in Alionys, Bartkuškis (there's an old castle) and Lygaraistis, 6 parks and 2 nature monuments (Staškiūniškiai Larch and the stone with a “devil’s footprint” in Dūdai). Also there are 50 archaeological monuments, 16 architectural monuments, 15 historical monuments and 78 art monuments, 18 manor houses with parks.
According to the population census of 2001, 20,207 people live in the region: 9,545 men and 10,662 women. 7,273 people live in towns and 12,934 people live in villages. About 10% (2,019 people) declared Polish nationality.[2]
There are 4,982 people of retirement age: 3,433 women and 1,549 men. 11,186 people are employed. 52% of all working people work in state institutions.