| Tarnaszentmiklós | |
| Settlement Type: | Village (község) |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Tarnaszentmiklós in Hungary |
| Coordinates: | 47.5269°N 20.3811°W |
| Subdivision Type: | Country |
| Subdivision Type1: | Region |
| Subdivision Name1: | Northern Hungary |
| Subdivision Type2: | County |
| Subdivision Name2: | Heves County |
| Subdivision Type3: | Subregion |
| Subdivision Name3: | Heves District |
| Established Title: | First mentioned |
| Parts Style: | list |
| Leader Title: | Mayor |
| Leader Name: | Sándorné Buda[1] |
| Unit Pref: | Metric |
| Area Total Km2: | 35 |
| Population Total: | 876 |
| Population As Of: | 1 Jan. 2015 |
| Population Density Km2: | 24.57 |
| Timezone1: | CET |
| Utc Offset1: | +1 |
| Timezone1 Dst: | CEST |
| Utc Offset1 Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 3382 |
| Area Code Type: | Area code |
| Area Code: | 36 |
Tarnaszentmiklós is a village in Heves County, Northern Hungary Region, Hungary.