| Búč | |
| Other Name: | Búcs |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type2: | Region |
| Subdivision Type3: | District |
| Subdivision Name3: | Komárno District |
| Leader Title: | Mayor |
| Leader Name: | János Karkó |
| Pushpin Map: | Slovakia Nitra Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Búč in the Nitra Region##Location of Búč in Slovakia |
| Coordinates: | 47.8°N 18.43°W |
| Established Title: | First mentioned |
| Established Date: | 1208 |
| Area Footnotes: | [1] |
| Area Total Km2: | 31.50 |
| Elevation Footnotes: | [2] |
| Elevation M: | 117 |
| Population Footnotes: | [3] |
| Population Total: | 1118 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 946 35 |
| Area Code: | +421 35 |
| Blank Name: | Car plate |
| Blank Info: | KN |
| Website: | www.obecbuc.sk |
Búč (Hungarian: Búcs) is a village and municipality in the Komárno District in the Nitra Region of south-west Slovakia.
The village lies at an altitude of 118 metres and covers an area of 31.501 km².It has a population of about 1200 people.
In the 9th century, the territory of Búč became part of the Kingdom of Hungary.In historical records the village was first mentioned in 1208.After the Austro-Hungarian army disintegrated in November 1918, Czechoslovak troops occupied the area, later acknowledged internationally by the Treaty of Trianon. Between 1938 and 1945 Búč once more became part of Miklós Horthy's Hungary through the First Vienna Award. From 1945 until the Velvet Divorce, it was part of Czechoslovakia. Since then it has been part of Slovakia.
The village is about 94% Hungarian, 6% Slovak.
The village has a public library, a gym and a football pitch.
The records for genealogical research are available at the state archive "Statny Archiv in Nitra, Slovakia"