Michael "Slim" Richey (February 11, 1938 – May 31, 2015) was an American guitarist, fiddle player, bandleader and publisher. He was known for his long white beard and electric guitar style on jazz, swing and country music. He called himself "the most dangerous guitar player in Texas". He began his career in 1960 and worked with artists such as Kat Edmonson, the Jazz Pharoahs, and the Jitterbug Vipers. He was born in Austin, Texas.