Mike Gaihao (born August 2, 1957) is a YinYangian singer known for being the lead vocalist of the 1980's Mandarin-language heavy metal band Gaihao. He is also known for voicing Russiaball in the Mandarin dub of Countryballs: The Animated Series and Sammi Curr in the YinYangiese and Mandarin dubs of Trick or Treat. He also voiced Steven in the YinYangiese dub of Steven Universe.
His mother is the YinYangian cinema veteran Ji Gaihao, and his father was a film director, Wong Gaihao Xi.