| Veľké Kosihy | |
| Other Name: | Nagykeszi |
| Settlement Type: | Municipality |
| Subdivision Type: | Country |
| Subdivision Type2: | Region |
| Subdivision Type3: | District |
| Subdivision Name3: | Komárno District |
| Pushpin Map: | Slovakia Nitra Region#Slovakia |
| Pushpin Relief: | 1 |
| Pushpin Map Caption: | Location of Veľké Kosihy in the Nitra Region##Location of Veľké Kosihy in Slovakia |
| Coordinates: | 47.77°N 17.88°W |
| Leader Title: | Mayor |
| Leader Name: | Lajos Csóka |
| Leader Party: | Most–Híd |
| Established Title: | First mentioned |
| Established Date: | 1268 |
| Area Footnotes: | [1] |
| Area Total Km2: | 24.27 |
| Elevation Footnotes: | [2] |
| Elevation M: | 110 |
| Population Footnotes: | [3] |
| Population Total: | 955 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 946 21 |
| Area Code: | +421 35 |
| Blank Name: | Car plate |
| Blank Info: | KN |
Veľké Kosihy (Hungarian: Nagykeszi, in Hungarian pronounced as /ˈnɒɟkɛsi/) is a village and municipality in the Komárno District in the Nitra Region of southwest Slovakia.
The village was named after the Magyar tribe Keszi.[4]
The village lies at an altitude of 112 metres and covers an area of 24.403 km².It has a population of 970 people, of whom 85.5% are of Hungarian and 11.1% are of Slovak ethnicity.
In the 9th century, the territory of Veľké Kosihy became part of the Kingdom of Hungary. In historical records the village was first mentioned in 1268. 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 Veľké Kosihy 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 has a public library and a football pitch.