- Oct 2 Fyodor Fyodorovich Ushakov, Russian naval commander and admiral (b. 1744)
- Oct 12 Johann Franz Xaver Sterkel, German composer, dies at 66
Tadeusz Kościuszko
Oct 15 Tadeusz Kościuszko, Polish-Lithuanian Military Leader and statesman considered a national hero, dies at 71 after falling from a horse, developing a fever and suffering a stroke
- Oct 15 Johann Ludwig Burckhardt, Swiss traveller and orientalist, 1st European to discover Petra and Abu Simbel, dies at 32
- Oct 16 Manuel C Piar, Curacaos/Venezulian freedom writer, dies
- Oct 18 Etienne-Nicolas Méhul, French composer (b. 1763)
- Oct 26 Nikolaus Joseph von Jacquin, Austrian scientist (b. 1727)