Simonis

Simonis is both a surname and a given name. Notable people with the name include:


 * Adrianus Johannes Simonis (1931–2020), Dutch Roman Catholic cardinal and former archbishop of Utrecht
 * Eugène Simonis or Eugen Simonis (1810–1893), Belgian sculptor and architect
 * Heide Simonis (1943–2023), German politician
 * Kazys Šimonis (1887–1978), Lithuanian artist
 * Simonis Palaiologina (1294– after 1336), Byzantine princess and third wife of Stefan Uroš II Milutin of Serbia
 * Simonis Starovolsci (1588–1656), Polish scholar