Trstěnice is a municipality and village in Svitavy District in the Pardubice Region of the Czech Republic.

The Czech words třtí or trstí used to be terms for common reed.

The adjective trstěná, from which the name of the village is derived, denoted a river flowing through the common reed.

The main landmark of Trstěnice is the Church of the Finding of the Holy Cross.

It is originally a Gothic building, later rebuilt in the Baroque style.