K.C. Porter (born Karl Cameron Porter, June 27, 1962) is a record producer, singer, songwriter, arranger, and composer who has won six Grammy Awards, and two Latin Grammy Awards, and worked on more than 40 albums with sales in the tens of millions. He is best known for his production work on Carlos Santana's album "Supernatural", (which sold over 27 million copies worldwide and won 9 Grammy Awards) and for producing and writing some of the most popular Spanish-language singles for Ricky Martin.