K-Klass are a Welsh/English electronic music group from Wrexham, Wales and Chester, England, who are based in Manchester, England. Its original members were Andy Williams, Carl Thomas, Russ Morgan and Paul Roberts.

In 1991, K-Klass signed with the label Deconstruction Records scoring five top 40 hits on the UK Singles Chart and later to Parlophone. In the mid-1990s, K-Klass were one of the busiest and most successful remix acts around, remixing the likes of Bobby Brown, Janet Jackson & Luther Vandross, New Order, Rihanna, The Corrs, Whitney Houston, winning the IDA remixers of the year in 1996 for their mix of Carleen Anderson “True Spirit” then getting a GRAMMY nomination in 2002 for their remix of Samantha Mumba “Baby Come On Over”. Since leaving Parlophone Andy Williams and Carl Thomas have both left K-Klass leaving just Paul Roberts and Russell Morgan alongside original vocalist Bobbi Depasois as K-Klass. Roberts and Morgan run their own record label Klass Action