| Conflict: | Siege of Trarbach |
| Partof: | the War of the Polish Succession |
| Date: | 10 April - 2 May 1734 |
| Place: | Trarbach, Holy Roman Empire |
| Result: | French victory |
| Commander1: | Duc de Belle-Isle |
| Commander2: | Wilhelm Ludwig Freiherr von Hohenfeld[1] |
| Strength1: | 20,000 |
| Strength2: | 700 |
| Casualties1: | 200 |
| Casualties2: | 10 |
The siege of Trarbach (10 April – 2 May 1734) was conducted during the War of the Polish Succession by French troops against a garrison of troops of the Holy Roman Empire in the fortress at Trarbach in the County of Sponheim, a small principality of the Holy Roman Empire (Trarbach is now in Rhineland-Palatinate, Germany). The French, led by Marshal Belle-Isle, were victorious, and destroyed the fortress.