Akiyoshi Umekawa (?? ??, Umekawa Akiyoshi, March 1, 1948 – January 28, 1979) was a Japanese mass murderer who killed a woman on December 16, 1963, and shot dead four people on January 26, 1979.
Mass media also used a number of different possible readings of his given name, including Teruyoshi, Terumi, Akimi and Akemi.
He was one of the rare criminals who was shot dead by Japanese police.