| Širákov | |
| Settlement Type: | Municipality |
| Pushpin Map: | Slovakia#Slovakia Banská Bystrica Region |
| Pushpin Map Caption: | Location of Širákov in Slovakia. |
| Pushpin Label Position: | top |
| Coordinates: | 48.15°N 30°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Slovakia |
| Subdivision Type1: | Region |
| Subdivision Name1: | Banská Bystrica Region |
| Subdivision Type2: | District |
| Subdivision Name2: | Veľký Krtíš District |
| Government Footnotes: | [1] |
| Leader Party: | Hungarian Alliance |
| Leader Title: | Mayor |
| Leader Name: | Tibor Dímik |
| Unit Pref: | Metric |
| Area Footnotes: | [2] |
| Area Total Km2: | 7.12 |
| Population Footnotes: | [3] |
| Population As Of: | 2021 |
| Population Total: | 190 |
| Population Density Km2: | auto |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 991 27 |
| Area Code: | +421-47 |
Širákov (hu|Sirak) is a village and municipality in the Veľký Krtíš District of the Banská Bystrica Region of southern Slovakia.