Kiristanci na Poland yana nufin gabatarwa da yaduwar Kiristanci a Poland.Abin da ya sa aka yi hakan shi ne Baftisma na Poland, baftisma na Mieszko I, shugaban farko na ƙasar Poland a nan gaba, da kuma yawancin kotuna.An gudanar da bikin ne a ranar Asabar mai tsarki na 14 ga Afrilu 966, ko da yake har yanzu masana tarihi suna jayayya da ainihin wurin, inda biranen Poznań da Gniezno suka kasance wuraren da aka fi dacewa.Ana ɗaukar matar Mieszko, Dobrawa na Bohemia a matsayin babban tasiri a shawarar Mieszko na karɓar Kiristanci.Yayin da yaduwar addinin Kiristanci a kasar Poland ya dauki shekaru aru-aru, a karshe tsarin ya yi nasara, domin a cikin shekaru da dama da suka wuce Poland ta shiga cikin manyan kasashen Turai da fadar Paparoma da Daular Roma mai tsarki suka amince da ita.A cewar masana tarihi, baftisma na Poland alama ce ta farkon mulkin Poland.Duk da haka, kiristanci tsari ne mai tsawo kuma mai wuyar gaske, saboda yawancin al'ummar Poland sun kasance arna har zuwa lokacin da arna suka yi a cikin 1030s.