Freedom and Solidarity, also called Saska, is a centre-right liberal and libertarian political party in Slovakia. Established in 2009, SaS was founded by economist Richard Sulík, who designed Slovakia's flat tax system. It generally holds anti-state and neoliberal positions. After the 2020 Slovak parliamentary election, the party lost several seats in the National Council but became part of the coalition government with Ordinary People and Independent Personalities, For the People, and We Are Family. It is led by businessman Branislav Gröhling.

Richard Sulík is a Slovak politician, economist and businessman. He is the leader of the political party Freedom and Solidarity and served as Deputy Prime Minister for Economy and Minister of Economy in Government of Slovakia led by Eduard Heger. Sulik and his party resigned from the government on 31 August 2022.