Wednesday have released their retained list for next season.
Barry Bannan, Akin Famewo and Callum Paterson have all been offered new contracts at Hillsborough.
The club has also exercised options to retain Anthony Musaba, Michael Smith and Josh Windass.
Meanwhile, Stuart Armstrong, Ben Hamer, Ryo Hatsuse, Michael Ihiekwe, Marvin Johnson, Pol Valentin and Mallik Wilks have been released following the expiry of their contracts.
Loanees James Beadle, Ibrahim Cissoko and Shea Charles return to their parent clubs.