Aleksandrów Kujawski[alɛkˈsandrufkuˈjafskʲi] (Polish:until 1879 Trojanów, 1879-1919 Aleksandrów Pograniczny, German:1939–1943 Alexandrow (Weichsel), 1943-45 Weichselstädt) is a small town in Poland, in Kuyavian-Pomeranian Voivodeship.
It is situated about 18km south-east of Toruń. It is the seat of Aleksandrów County, and also of Gmina Aleksandrów Kujawski (although it is not part of the territory of that gmina).