Wielkie Zajączkowo [ˈvjɛlkʲɛ zajɔnt͡ʂˈkɔvɔ] is a village in the administrative district of Gmina Dragacz, within Świecie County, Kuyavian-Pomeranian Voivodeship, in north-central Poland. It lies approximately 6 kilometres (4 mi) north of Dragacz, 26 km (16 mi) north-east of Świecie, and 59 km (37 mi) north of Toruń.