"He is among a number of players we would like to bring in," Holloway is quoted in the Echo.
Langley joined City from QPR in 2003 just after the start of the Division 1 campaign.
There will be plenty of speculation this summer over players. City of course will be looking to trim the wage bill and we could see in contract players sold for a fee.
Willie Boland, Gary Croft and Darren Williams are out of contract this summer as are recent arrivals Toni Koskela, Neal Ardley and Michael Boulding.
Tony Vidmar has already agreed to join NAC Breda in Holland.