The 30-year-old was released by Leeds this summer after making 112 appearances in three seasons for the club.
According to the East Anglian Daily Times, Ipswich Town are one of the teams interested in signing the ex-Leeds skipper, who is currently captaining Jamaica in the CONCACAF Gold Cup.
Last night Jamaica beat hosts USA to become the first Caribbean team to reach the final of the tournament.
Other Championship sides Bolton Wanderers, Middlesbrough and Wolves have also been linked with Austin this summer.