| Subdivision Type: | Country |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Official Name: | Bajna |
| Mapsize: | 275px |
| Subdivision Type1: | County |
| Subdivision Name1: | Komárom-Esztergom |
| Area Total Km2: | 37.21 |
| Population Total: | 2027 |
| Population As Of: | 2004 |
| Population Density Km2: | 54.47 |
| Postal Code Type: | Postal code |
| Postal Code: | 2525 |
| Area Code: | 33 |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Bajna, Hungary |
| Pushpin Mapsize: | 275px |
| Coordinates: | 47.6521°N 18.5988°W |
Bajna is a village in Komárom-Esztergom county, Hungary. Its main attraction is the Sándor-Metternich mansion.
detailed information in Hungarian language:Bajna
An old Hungarian family take the name of this village since the beginning of the 15th century : Both de Bothfalva et Bajna (hu : Bajnai Both).