Chiaki Matsumura (松村 千秋, Chiaki Matsumura, born October 26, 1992 in Aomori) is a Japanese curler from Nagano. She is the alternate of the Chubu Electric Power curling team, which won the Japan Curling Championships in both 2017 and 2019. She also won the championship three times with the former Chubu Electric team from 2012 to 2014. At the international level, she has represented Japan three times at the World Women's Curling Championship (2013, 2019, 2022) and three times at the Pacific-Asia Curling Championships (2011, 2012, 2019), winning a silver medal in both 2012 and 2019.