Lek Nana (Thai: เล็ก นานา; 1924–1 April 2010) was a Thai businessman and politician. He was one of the founders of Thailand's Democrat Party at the end of World War II. Lek Nana served as Deputy Foreign Minister as well as Minister of Science, Technology, and Energy. A Muslim of Gujarati ancestry, he was a senior member of the Central Islamic Committee of Thailand. The Nana area on Sukhumvit Road derives its name from him.