| Image Coa: | Wappen Weiherhammer.svg |
| Coordinates: | 49.6333°N 16°W |
| Image Plan: | Weiherhammer in NEW.svg |
| State: | Bayern |
| Region: | Oberpfalz |
| District: | Neustadt a.d.Waldnaab |
| Verwaltungsgemeinschaft: | Weiherhammer |
| Elevation: | 394 |
| Area: | 39.89 |
| Postal Code: | 92729 |
| Area Code: | 09605 |
| Licence: | NEW |
| Gemeindeschlüssel: | 09 3 74 166 |
| Website: | www.weiherhammer.de |
| Mayor: | Ludwig Biller[1] |
| Leader Term: | 2020 - 26 |
| Party: | CSU |
Weiherhammer is a municipality in the district of Neustadt an der Waldnaab in Bavaria, Germany.
Weiherhammer, originally Beckendorf, belonged to the Wittelsbach duchy Neuburg-Sulzbach. Since 1777 it was the a part of the Bavaria electorate. In 1934 Beckendorf was renamed Weiherhammer and received communal autonomy in 1952. In 1972 Dürnast and Trippach were incorporated into Weiherhammer.
In 1970 the population was 3,406; in 1987, 3,655; and in 2000, 4,199.