Francisco Zeimoto was a Portuguese trader and mariner of the 16th century, renowned for his significant role in early European contact with Japan.

Born in Portugal, Zeimoto embarked on daring sea voyages in pursuit of lucrative trade opportunities in the flourishing Asian markets.

[2] In 1543, Zeimoto, alongside his compatriot António da Mota, achieved an historic feat by becoming the first Europeans to arrive to Japan.

[2][3] Zeimoto's expeditions to Portuguese colonies in Asia were fuelled by the prospect of lucrative trade in spices, silks, and other exotic goods.

[3] Zeimoto is credited with introducing firearms, particularly the Portuguese arquebus, to the Japanese archipelago, forever altering the dynamics of warfare and technology in the region.