| Subdivision Type: | Country |
| Timezone: | CET |
| Utc Offset: | +1 |
| Timezone Dst: | CEST |
| Utc Offset Dst: | +2 |
| Official Name: | Ácsteszér Tesier/Zierndorf |
| Mapsize: | 275px |
| Subdivision Type1: | County |
| Subdivision Name1: | Komárom-Esztergom |
| Area Total Km2: | 17.73 |
| Population Total: | 767 |
| Population As Of: | 2004 |
| Population Density Km2: | 43.26 |
| Postal Code Type: | Postal code |
| Postal Code: | 2887 |
| Area Code: | 34 |
| Pushpin Map: | Hungary |
| Pushpin Map Caption: | Location of Ácsteszér |
| Pushpin Mapsize: | 275px |
| Coordinates: | 47.4089°N 18.006°W |
Ácsteszér (Ács-Teszér, German: Tesier, Zierndorf) is a village in Komárom-Esztergom county, Hungary.
The name of the village referred to the profession of the villagers. Hungarian ács and Slavic tesar with the same meaning - a carpenter.[1]