List of early warships of Japan

This is a list of Japanese warships of the period 1410–1639:

• Atakebune, large coastal warships, some of them ironclad, during the Warring States period (16th–17th centuries)
• Red seal ships, around 350 armed trade ships, many of them three-masted, commissioned by the Bakufu for Intra-Asian commerce, in the first half of the 17th century
• San Buena Ventura, 120 ton ship built in Japan in 1607 by the English navigator and adventurer William Adams for the Japanese shōgun Tokugawa Ieyasu
• San Juan Bautista, Japanese-built 1613 armed galleon that crossed the Pacific on two occasions