Hans Thomas Hengelbrock (born 9 June 1958) is a German violinist, musicologist, stage director and conductor.

He worked as an assistant to Witold Lutosławski, Mauricio Kagel and Antal Doráti and played with ensembles such as the Concentus Musicus Wien.

In 1985, he cofounded the Freiburger Barockorchester, where he worked as a violinist and a leader of the ensemble.

In June 2017, the orchestra announced that Hengelbrock is to conclude his tenure with the ensemble at the close of the 2018–2019 season.

[4] In December 2017, Hengelbrock expressed his displeasure with the timing of the announcement of his designated successor, Alan Gilbert, within the same month as the original announcement of the previously scheduled conclusion of his tenure.