Trstenjak is a Slovenian surname. Notable people with the surname include:
Anton Trstenjak (1906–1996), Slovenian psychologist, theologian and author Ante Trstenjak (1894–1970), Slovenian psychologist, painter and illustrator Davorin Trstenjak (1817–1890), Slovenian writer, historian and Roman Catholic priest Tina Trstenjak (born 1990), Slovenian judoka Verica Trstenjak (born 1962), Slovenian lawyer and judge
See also