Kazumi Matsuo (松尾 和美, Matsuo Kazumi, born April 16, 1974 in Kobe) is a female marathon runner from Japan, who won the Nagoya Marathon on March 11, 2001 in a personal best time of 2:26:01 hours after having triumphed in the Berlin Marathon seven months earlier. She finished ninth at the 2001 World Championships in Athletics.[1]