Kijiro Nambu (?? ???, Nanbu Kijiro, September 22, 1869 – May 1, 1949) was a career officer in the Imperial Japanese Army and the founder of Nambu Arms Manufacturing Company, manufacturer of many of the firearms the Japanese military would use in World War II.
A prolific small arms designer, he was sometimes called the "John Browning of Japan".
He was awarded the Order of the Sacred Treasure (2nd class) in 1914.