The Hoops currently sit bottom of the Premier League table with just two points after failing to win any of their opening seven matches.
This poor form has led to speculation that Hughes's job at Loftus Road is under threat, but Hill has stressed that the players are fighting hard to improve the Welshman's position.
"Everybody on the inside is pulling in the same direction and trying to get the result we need," he told the Fulham Chronicle.
"The gaffer is confident he can turn things around - he wouldn't be here if he wasn't. He's still got the full support of all the boys. We're fully behind him and the staff."