Joseph "Jody" Hamilton (December 7, 1885 – December 21, 1906) was an American mass murderer who was executed in Missouri. On October 12, 1906, he murdered five members of the same family, including three young children, during an argument over a horse saddle. After his arrest, Hamilton pleaded guilty and was sentenced to death. Dismissing any offers for leniency, Hamilton was executed in December of that year.