Suwałki Governorate
Jonas Staugaitis (; May 20, 1868, Omentiškiai, Suwałki Governorate – January 18, 1952, Kaunas) was the acting President of Lithuania during the December 1926 coup d'état. He was formally elected for a few hours as the Speaker of the Seimas; as the highest-ranked official, he also became the "de jure" President of Lithuania. He renounced the office after the coup d'état was complete.