Jones, who appeared in Wigan's recent win against Preston North End, has spent most of his pre-season on trial with the Latics after his contract at Molineux ended in June.
"Dave has connected well with the group during pre-season," Wigan manager Roberto Martinez told the club's official website. "He has a great attitude towards work and will certainly bring something different to the squad.
"Technically he is very gifted, shows good personality on the pitch and already has solid experience of the Barclays Premier League behind him, with the best years of his career still ahead.
"We've been impressed with the levels of his work in training and everyone's excited to be welcoming him to our club."
Jones joined Wolves from Derby County in 2008 and was part of Mick McCarthy's side to achieve promotion to the Premier League.