Miyagi (written: 宮城 lit. "shrine fortress") is a Japanese surname. It can be read as Miyashiro, or Naagusuku in the Ryukyu Islands. Notable people with the surname include:

, Japanese tennis player , Okinawan martial artist Kintaro Miyagi, Filipino footballer Juma Miyagi (born 2003), Ugandan cricketer , also known as Kyouko Tonguu, is a Japanese voice actress , Japanese model and television personality , Japanese footballer Michiko Miyagi (Cassandra Miyagi), Japanese pro wrestler , Japanese koto musician Mimi Miyagi (born 1973), the screen name of Filipina porn star and aspiring politician Melody Damayo , Japanese manga artist , Japanese theatre director Vern Miyagi, United States Army general and civil servant , Okinawan Marxist

Fictional characters Mr. Miyagi, a martial arts mentor in The Karate Kid series, loosely based on Chojun Miyagi Ryota Miyagi, a character in the manga series Slam Dunk Yō Miyagi, a character in the manga series Junjo Romantica: Pure Romance Miyagi, the wife of Genjurō in the Japanese film Ugetsu

Fr:Miyagi#Patronymes