Warsaw Confederation, wanda Majalisar Dokokin Poland (sejm konwokacyjny) ta sanya hannu a ranar 28 ga Janairu 1573 a Warsaw, tana ɗaya daga cikin ayyukan Turai na farko da ke ba da yancin addini.Wani muhimmin ci gaba ne a cikin tarihin Poland da na Lithuania wanda ya ba da juriya na addini ga manyan mutane da 'yantattu a cikin Yaren mutanen Poland-Lithuania Commonwealth kuma ana ɗaukarsa farkon farkon 'yancin addini a cikin Yaren mutanen Poland-Lithuania Commonwealth.Ko da yake bai hana duk wani rikici bisa addini ba, ya sa Commonwealth ta zama wuri mafi aminci da juriya fiye da yawancin Turai na zamani, musamman a lokacinYaƙin Shekaru Talatin na gaba.