Hughes, who performed for Southampton between 1998 to 2000, replaces Mauricio Pellegrino with the south coast aspect some extent above the relegation zone.
He has agreed a contract with the membership till the top of the season and can take coaching at their Staplewood Campus for the primary time on Thursday as they put together for an FA Cup quarter-final at League One Wigan.
The Welshman has been out of labor since he was sacked by fellow Premier League strugglers Stoke in January.
However Hughes, 54, who has eight league video games to avoid wasting Southampton from relegation, mentioned he felt he had the fitting expertise to information his new membership away from hazard.
Hughes mentioned: “It is a problem I am excited by. It is an amazing alternative to return again to a membership I do know effectively, and a membership I’ve bought actual affinity with, and I could not flip that down.
“I carry expertise of the Premier League. I perceive what it takes on this league to win video games.
“However before everything I believe it is about coming in and possibly being that totally different voice, that totally different message from myself and the workers, that may allow the gamers to recognise and give attention to what must be executed on this key interval of the season.
“The objective clearly is to remain in the league and make sure we’re a Premier League club next year. That’s where this club needs to be, that’s where it should be, and that’s our intention to make sure it remains there.”
Hughes will likely be joined at St Mary’s by trusted lieutenants Mark Bowen and Eddie Niedzwiecki within the roles of assistant supervisor and assistant first crew coach respectively alongside present first crew assistant coach Kelvin Davis, head of goalkeeping Dave Watson and head of sports activities science Alek Gross.