| Official Name: | Trstenik |
| Settlement Type: | Village |
| Pushpin Map: | Croatia |
| Coordinates: | 45.9°N 60°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Croatia |
| Subdivision Type1: | County |
| Subdivision Name1: | Zagreb County |
| Subdivision Type2: | Municipality |
| Subdivision Name2: | Marija Gorica |
| Area Footnotes: | [1] |
| Area Total Km2: | 2.7 |
| Population As Of: | 2021 |
| Population Total: | 335 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
Trstenik is a village in central Croatia.