| Official Name: | Gagyvendégi |
| Settlement Type: | Village |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Gagyvendégi in Hungary |
| Subdivision Type: | Country |
| Subdivision Name: | Hungary |
| Subdivision Type1: | Region |
| Subdivision Name1: | Borsod-Abaúj-Zemplén}} |
| Subdivision Type2: | County |
| Subdivision Type3: | Subregion |
| Subdivision Name3: | Szikszó |
| Area Total Km2: | 12.32 |
| Area Footnotes: | [1] |
| Coordinates: | 48.4308°N 20.975°W |
| Postal Code: | 3816 |
| Postal Code Type: | Postal code |
| Area Code: | +36 46 |
| Area Code Type: | Area code |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Total Type: | Total |
| Population Total: | 188 |
| Population Density Km2: | auto |
| Population Density Urban Km2: | auto |
| Population Density Metro Km2: | auto |
| Population As Of: | 2009 |
| Population Footnotes: | [2] |
| Blank Name: | KSH code |
| Blank Info: | 03744[3] |
Gagyvendégi is a village in Borsod-Abaúj-Zemplén County in northeastern Hungary., it had a population of 198. But in 2009, it was 188.