R.J. Mischo (born March 18, 1960) is an American electric blues harmonicist, singer, songwriter, and record producer. To date he has released twelve albums on a number of labels, and his music has been aired on independent film scores, television commercials, and documentaries on the Discovery Channel. Mischo has contributed to a couple of Mel Bay harmonica instruction books. In addition, he was listed in that author's The Encyclopedia of Harmonica.
Mischo's own compositions, "King of a Mighty Good Time" and "Two Hours From Tulsa", were both number one on the playlist at Sirius XM Radio. His album releases, Knowledge You Can't Get in College and Make It Good, made the Top 50 in Living Blues albums of the year listings.