Siamion Mikalayevich Domash (Belarusian: Сямён Мікалаевіч Домаш, Russian: Семён Никола́евич До́маш; 2 January 1950 – 9 February 2019) was a Belarusian politician and trades unionist.[1] He was Chairman of Grodno Region in 1994. He was registered to run in the 2001 Belarusian presidential election, but exited from the campaign,[why?] endorsing Vladimir Goncharik.[2] He died of a heart attack in 2019.[3]