Jørn Sloth (born 5 September 1944 in Sjørring, Thy, Denmark) is a Danish chess player who holds the chess titles of FIDE Master and Correspondence Chess Grandmaster.

In 1964 he, together with Rob Hartoch, won the Niemeyer tournament for European players under 20.

Sloth started playing Correspondence Chess at a young age.

He was the youngest player ever to win the Correspondence World Champion title.

This biographical article relating to a Danish chess figure is a stub.