Swansea confirmed thre members of Guidolin’s backroom team – Diego Bortoluzzi, Gabrielle Ambrosetti, Claudio Bordon – have also been relased.
“We are obviously disappointed to part company with Francesco,” said Swansea chairman Huw Jenkins.
“We felt he deserved his opportunity after the work he did last season. Unfortunately we have not been able to carry performances over from last season and we felt we needed to change things as soon as possible in order to move forward in a positive way.
“We would like to thank Francesco and his staff fo their services to th club and wish them well for the future.”