Joachim Josef Johann Grallert (3 March 1829 – ?) was a prominent Prussian watchmaker and jeweler. He was born in Kratzbach (near Schömberg), Kreis Landeshut, in the Province of Silesia. He moved from Lower Silesia to Gumbinnen in East Prussia, then to Transylvania. He ran his family's business, one of the largest watchmaking businesses in the region, and they had shops all over the Habsburg Monarchy, with shops as far as Vienna, Austria. His pieces are much sought after today.
He was also the father of the World War I, Austro-Hungarian General, Konrad Grallert von Cebrów.