Liberatore, 34, has been a heart-and-soul player for the Bulldogs since he was drafted as a father-son selection in 2010, including playing a pivotal role in the breakthrough 2016 premiership.
But the son of club great and Brownlow medallist Tony Liberatore battled with injury and concussion in recent years, playing just 11 AFL matches this year.
Liberatore retires with 268 AFL games, 93 goals, a premiership and a Charles Sutton Medal as the Bulldogs' 2014 best and fairest to his name.
"This club and its community have been such a huge part of my life," Liberatore said in a club statement.
"I'm so fortunate to have lived out my dream for 16 years, from watching my old man play for the club to being part of a premiership that meant so much to all of our fans and to the western suburbs, it's been a real privilege.
"I still love being here and competing each week but it's time for me to step aside, spend more time with my family and friends and support this great club from the stands.
"I've built lifelong friendships with many teammates through the years, that's what means the most to me.
"I'm really proud of where the club is going and excited about what the group is capable of moving forward. I'm looking forward to watching on with a beer in hand."
Liberatore's retirement means captain Marcus Bontempelli is the only surviving Bulldog from the 2016 premiership team.
The heavily-tattooed Liberatore, named Bulldogs vice-captain in 2024, was as popular for his quirky nature - and commitment to community work - off the field as for his hard-nosed, tough-tackling approach on it.
Luke Beveridge, who has coached the midfielder for the past 12 seasons including the 2016 flag, paid tribute to the midfielder, who twice returned from a ruptured ACL.
"Tom has been the spiritual catalyst within our playing ranks for such a long period of time," Beveridge said.
"Through the challenges he has faced, he has had a fierce will and desire to claw his way back.Â
"Libba has always set about influencing everyone he comes in contact with in his own unique, caring and quirky characteristic way.
"Always a fierce competitor, he has been inspirational with his tenacity and confrontational brand ensuring his teammates always walk a little taller and feel a little more self-assured.
"I am extremely grateful to have coached Tom and I know all of our people see it as a great privilege to have shared Tom's AFL football experience with him."
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