Ludwichowo [ludviˈxɔvɔ] is a village in the administrative district of Gmina Kęsowo, within Tuchola County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 6 kilometres (4 mi) west of Kęsowo, 16 km (10 mi) south-west of Tuchola, and 54 km (34 mi) north-west of Bydgoszcz.