雷济纳是波兰的城镇，位于该国南部，距离莱什诺约8公里，由大波兰省负责管辖，始建于十五世纪初，面积2.17平方公里，镇上的城堡建于1682至1695年，2006年人口2,539。

Rydzyna [rɨˈd͡zɨna] (German:Reisen) is a Polish town that was the seat of king Stanisław I during his first short reign from 1704 to 1709. Rydzyna is commonly referred to as "the pearl of the Polish baroque".

Rydzyna is situated in the southern part of the Wielkopolska Province, 10 km south of Leszno, in the Leszno county (powiat), on the main Poznań - Wrocław highway E5. The town's population is 2446 (2006). The population of the overall Rydzyna community is 8200.