Norman N. Li (Chinese: 黎念之; pinyin: Lí Niànzhī; born December 25, 1932, in Shanghai), is a Chinese-American engineer and scientist famous for his inventions and development of liquid membrane technologies.
Li was the President of the NL Chemical Technology, Inc. based in Illinois.
Li has been given numerous awards and prizes or his innovation and leadership in membrane and separation technologies, including, In May 2008, Li was awarded an honorary doctorate by New Jersey Institute of Technology (NJIT).
Li was elected to the United States National Academy of Engineering in 1990.
Li was elected Foreign Member of the Chinese Academy of Sciences in 1998.