Ludwichowo [ludviˈxɔvɔ] is a village in the administrative district of Gmina Łasin, within Grudziądz County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 4 kilometres (2 mi) east of Łasin, 25 km (16 mi) east of Grudziądz, and 65 km (40 mi) north-east of Toruń.