The Lviv trolleybus is a trolleybus system in Lviv, Ukraine. The trolleybus network is operated by Lvivelectrotrans - a municipal enterprise, that is the operator of trams and trolleybuses in the city. LET is owned by the Lviv city council. The length of the contact network is 136 km (01.2023), and the length of the route network is 169 km (01.2021). As of 2021, 24,678,300 paid passengers used trams and trolleybuses. In 2021, trolleybuses performed 3.29 million kilometers of transportation work (vehicle-km). In January 2024, 900,744 passengers were transported by trolleybus routes.

The Lviv tramway network is an electric tram in Lviv, Ukraine. It is one of two tram system in Western Ukraine, and the largest among narrow-gauge tram systems in Ukraine.