Johannes Lijdius Catharinus Pompe van Meerdervoort was a Dutch physician based at Nagasaki, in Bakumatsu period Japan. While in Japan, he briefly taught medicine, chemistry and photography at the Nagasaki Naval Training Center, and established a medical school and hospital. Some of his noted students included Nagayo Sensai and Matsumoto Jun.

The Nagasaki Naval Training Center was a naval training institute, between 1855 when it was established by the government of the Tokugawa shogunate, until 1859, when it was transferred to Tsukiji in Edo.