| Trnava | |
| Settlement Type: | Municipality |
| Pushpin Map: | Croatia Osijek-Baranja County#Croatia |
| Pushpin Map Caption: | Location in Croatia |
| Pushpin Label Position: | left |
| Coordinates: | 45.26°N 18.25°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | County |
| Subdivision Name1: | Osijek-Baranja |
| Leader Title: | Mayor |
| Leader Name: | Irena Mikić Brezina |
| Area Footnotes: | [1] |
| Area Total Km2: | 82.0 |
| Area Urban Km2: | 17.1 |
| Population As Of: | 2021 |
| Population Total: | 1251 |
| Population Density Km2: | auto |
| Population Urban: | 524 |
| Population Density Urban Km2: | auto |
| Timezone: | Central European Time |
| Utc Offset: | +1 |
Trnava (Serbian: Трнава, German: Tirnau) is a village and a municipality in Osijek-Baranja County, Croatia.
In the 2011 Croatian census, it had a total of 1,600 inhabitants, in the following settlements:
In the same census, 90% of the population were Croats.
Directly elected minority councils and representatives are tasked with consulting the local or regional authorities to advocate for minority rights and interests, integration into public life and participation in the management of local affairs.[2] At the 2023 Croatian national minorities councils and representatives elections, Serbs of Croatia fulfilled the legal requirements to elect 10 members municipal minority councils of the Trnava Municipality but the elections were not held due to the lack of candidates.[3]