There are seven images of the couple for sale on the website SaatchiArt.com, which range from $US250 to $30,000.
Artists can upload their work and if it sells they receive 70 per cent of the price, while the site receives 30 per cent commission.
Saatchi, 71, who is reportedly dating Trinny Woodall, doesnโt seem to concerned about the artworks appearing on his site.
โWould it have been a better story if I had censored artists whose work might be personally disobliging?โ Saatchi told The Mail on Sunday in an email.

Charles Saatchi vs Nigella Lawson by Carface Margybab. Picture: saatchiart.com
In June last year, Saatachi was photographed with his hands around Lawsonโs throat as they dined at Scottโs in Mayfair, London. Seven weeks later the pair were divorced.