Marek Hilšer (born 23 March 1976) is a Czech politician and university lecturer who has been serving as the senator for Prague 2 since 2018.

He studied Public Relations at Charles University and went to the United States in 1999, where he had jobs including working as a plumber and digger.

[2] In 2008, Hilšer led protests against plans by Minister of Health Tomáš Julínek to turn teaching hospitals into joint-stock companies.

[4] Hilšer also led protests against university reforms by Minister of Education Josef Dobeš in 2012, known as "a week of unrest".

[8] In the 2018 Czech Senate election, Hilšer successfully contested the Prague 2 district, defeating incumbent Libor Michálek in the second round with 79.75% of the vote.