Jones posted a video to his Instagram story, showing himself signing a contract.
Jones also posted reposted several messages from former teammates and friends, congratulating him on the retirement. He also posted a photo of a Bentley, calling it his retirement gift.
"Congrats to my guy Adam Jones on the retirement," Bengals star A.J. Green wrote on his Instagram story. "I appreciate those 1-on-1s . Got me better every day."
"My brotha, congrats on retirement," former Bengals linebacker Vontaze Burfict wrote on his story. "Love you boy. I'll see you on the golf course. $100 [per] hole."
The Players Trust also posted a message about Jones. The NFLPA organization helps former players with success after playing the game.
Jones, 35, entered the league as the No. 6 overall pick in the 2005 NFL Draft. He began his career with the Tennessee Titans before being traded to the Dallas Cowboys in 2008. Jones played for the Bengals from 2010 through 2017. He signed a one-year deal last off-season with the Denver Broncos before being cut in November.
The West Virginia product was an All-Pro in 2014 and made the Pro Bowl in 2015. Jones also was suspended several times during his career for violating the league's personal conduct policy.
He had 522 tackles, 97 passes defensed, 17 interceptions, 12 fumble recoveries, seven forced fumbles, three sacks and two touchdowns on defense during his NFL tenure. Jones also scored five touchdowns and averaged 10.1 yards on punt returns during his career.