Miki (三木 lit. "three trees") is a Japanese surname. Notable people with the surname include:
Honoka Miki (born 1997), Japanese actressMinoru Miki (1930–2011), Japanese composer and artistic directorMutsuko Miki (1917-2012), Japanese activist who advocated on behalf of pacifism, official compensation for comfort women, and improved Japan–North Korea relations, wife of Japanese Prime Minister Takeo MikiShinichiro Miki (born 1968), Japanese voice actorTakeo Miki (1907–1988), 66th Prime Minister of JapanTaku Miki (born 1935), writerFictional characters:
Sayaka Miki, character in the anime Puella Magi Madoka Magica