Machi Ishida (she/her) is a Japanese marimbist and percussionist based in Hiroshima, Japan.

Machi performs regularly around the world, receiving 1st Prize, Audience Award and the Best Performance Award at the 7th World Marimba Competition in Stuttgart (2022), making her the first person to win three awards at one time. Machi has also received numerous accolades in other world-class competitions, including 4th Prize and Best Performance Award at the 8th Universal Marimba Competition in Belgium (2021), 2nd Prize at the 1st Taiwan International Percussion Convention Competition (TIPCC) in Taipei (2017), and the Espoir Award in the general duo category of the 7th Osaka International Music Competition in Japan at the age of 12 (2005).

Machi is also a member of Marimba Twins, a percussion duo with her twin sister Maho Ishida. Marimba Twins has given numerous performances and six duo recitals since their debut in 2012 and also received the 1st prize in the Duo/Trio Category of the Swiss Percussion Competition (2019).

Marimba Twins has since expanded to provide educational projects for thousands of elementary and middle school students across Japan.

Machi has experienced marimba since the age of 9, having performed 90 concerts per year in Japan as a member of the Hiroshima Junior Marimba Ensemble for five years. While in the ensemble, she performed across Taiwan, China, and Mongolia.

Machi has a Bachelor of Music Culture Education from Hiroshima University, a master in percussion from Hiroshima Elisabeth Music University (Japan), after which she has studied at the Strasbourg Conservatory (France) for a specialist degree, graduating with the highest honours after 3 and a half years. Machi is also a scholarship recipient of the Hiroshima Peace Creation Fund, and continues to explore her other passions of percussion such as darabuka, tombak, riq, and daf.

Machi is a Kolberg Mallets Artist (Germany) and has now become a recording artist for new works published by Edition Svitzer and Svitzer Music (Denmark).