Mutsuo Naganuma (Japanese 男 沼 六 男 Naganuma Mutsuo; * 1945 in Nagano Prefecture, Japan) is a Japanese cinematographer.

In 1968, he joined the production studio Shōchiku and worked there as a camera assistant. The 1978 released film Shin Ningen Shikkaku was his first independent work as a cameraman. In the 1980s, he worked with, among others, the director Shinji Sōmai on his award-winning works Gyoei no mure and Hikaru onna.