Rick's Group is a survivor group formed in Volume 1, led by Rick Grimes. The group was formed after Rick arrived at the Atlanta Survivor Camp, and became leader after with Shane's death. The group serves as the center of the story.
The Woodbury Army is a massive group of armed Woodbury citizens rounded together by The Governor to kill Rick Grimes' group in order to capture the Prison, as well as to satisfy his own hatred of the group.
The Saviors are a large group of antagonistic survivors who were mentioned in "A Larger World" and first appeared in "Something To Fear". The Saviors use a large factory surrounded by a wall of impaled and tied zombies as their base.
The Militia is a coalition of people from the Alexandria Safe-Zone, Hilltop Colony, and The Kingdom all in alliance to fight Negan and The Saviors. It is later reformed years later to combat The Whisperers after they had killed several people from each of the communities.
The Whisperers are a mysterious group of survivors who disguise themselves with roamer skin to blend in with them and not get noticed. They are first introduced in Issue 130. They serve as the primary antagonistic group in Volume 24: Life And Death.
The Commonwealth is a group and a network of communities. The Commonwealth has advanced equipment and almost fifty thousand survivors living in different settlements. It also has an event arena for different sports and concerts by surviving musicians of the outbreak, whom the apocalypse made popular. It also has its own army.
The Commonwealth Army is an organization within the Commonwealth that exists to protect its citizens from any threats, serving as both a military and a police force. Members of the army are referred to as "officers".
Rick's Group is a survivor group formed in Season 1, led by Rick Grimes. The group was formed after Rick arrived at the Atlanta Survivor Camp, and became leader along with Shane Walsh. The group serves as the center of the story.
The Woodbury army is a large, heavily armed group of survivors introduced in Season 3. They are based in the fortified town of Woodbury and led by the Governor. They serve as the primary antagonists of the whole of Season 3.
The Governor's militia was a group of about thirty survivors from Caesar Martinez's camp formed to take the West Georgia Correctional Facility from Rick Grimes's group. They serve as the primary antagonists of the first half of Season 4.
Abraham's Group was a small band of survivors introduced in the episode "Inmates" that had traveled from Houston to get to D.C., before crossing paths with Rick's group. Their mission was to get Eugene Porter to Washington, D.C. as he claims to have helped in the production of the cure of the virus.
The Saviors are a vast organization of hostile survivors introduced in the episode "Always Accountable". While under Negan's leadership, they serve as the primary antagonists of the second half of Season 6, and the whole of Season 7 and Season 8 and while under Jed's leadership, a cell within the group serve as the primary antagonists of the first half of Season 9.
Oceanside is a community that first appears in the episode "Swear". It is a community grounded in Maryland or Virginia that has situated in a pre-apocalypse campground, and is near a small beach. It is led by a woman named Natania and home to at least 85 people, despite 60 being present from the last appearance.
The Scavengers are a large group of survivors introduced in the episode "Rock in the Road". They live in a Junkyard and are led by a woman named Anne calling herself "Jadis". They serve as the secondary antagonists of the second half of Season 7 and the first half of Season 8.
The Militia is a coalition of people from the Alexandria Safe-Zone, Hilltop Colony, the Kingdom, and ultimately Oceanside (along with several former Saviors) all in alliance to fight Negan and the Saviors.
The Whisperers are a mysterious group of hostile survivors who disguise themselves with the skin of the undead in order to blend in with them and not get noticed. They are first introduced in the episode "Who Are You Now?". They serve as the secondary antagonists of the first half of Season 9 and the primary antagonists of the second half of Season 9.
Jocelyn's Group is a small group led by a woman named Jocelyn. Aside from Jocelyn, the rest of the group is made up of children that she has "adopted" after the mysterious death of their parents. The group is a cult where she taught them that only the strong survive.
The Coalition is a network of survivor communities formed in Season 9 of AMC's The Walking Dead. It is a successor to Rick's original group and incorporates the Militia. Drawn up as an attempt to bring Rick's group and the communities together again after several events tore them apart, it shortly also became a united front against the threat of the Whisperers.
The Motel Survivors were survivors and the main characters of Telltale Games's, The Walking Dead. Originally the group stayed in the Everett Pharmacy Drugstore, until they transferred to the motel due to the available beds and the belief it was easily defendable. Lilly initially led the group, though Kenny and Lee soon became co-leaders after Lilly left/was exiled due to her overt paranoia (Determinant). When Kenny became depressed over the loss of his family, Lee became the sole leader.
The Save-Lots Bandits are a group of bandits in The Walking Dead: Season One. Their ranks are primarily composed of former workers from the Save-Lots store near Macon, Georgia and prey upon other groups of survivors, taking anything of value for their own use and killing anyone who gets in their way. They serve as the secondary antagonistic group of "Starved For Help" and the primary antagonists of "Long Road Ahead".
The Cabin Group were survivors and the main characters of The Walking Dead: Season 2. Originally the group were in a community led by William Carver, until they escaped because they saw Carver as a cruel leader.
Carver's Group is a group of survivors that was first encountered in "A House Divided" of The Walking Dead: Season Two. They have been hunting the Cabin Group in an attempt to bring the group back to their main base. It is assumed that they have a fairly violent nature, as they are feared by the cabin survivors. They are the primary antagonistic group in "A House Divided", "In Harm's Way", and the secondary antagonists of "Amid The Ruins".
The Russian Group are a group of survivors introduced in episode 4 "Amid The Ruins " of The Walking Dead: Season Two. They ambushed Clementine's group, and began the shoot-out. Despite their short appearance, they serve as the primary antagonistic group in "Amid The Ruins" and "No Going Back".
The Monroe Colonists are a group of survivors that were first encountered in "In Too Deep" of The Walking Dead: Michonne. They were led by Norma, and lived in Monroe. They are the primary antagonistic group in "In Too Deep", "Give No Shelter", and "What We Deserve".
Ericson's Boarding School in The Walking Dead: The Final Season that consists primarily of teenagers and some children surviving within the confines of the Ericson's Boarding School for Troubled Youth in which they lived in before the apocalypse.
The California Army National Guard is the land force component of the California National Guard, one of the reserve components of the United States Army, and is part of the National Guard of the United States.
Connor's Pirates are a group of survivors introduced in the episode "Blood in the Streets" in Season 2 Fear The Walking Dead. They boarded and hijacked The Abigail, as well as held Travis and Alicia hostage. They are the secondary antagonists of the first half of Season 2.
Brandon's Group is a group of young men from San Diego. Initially the group was made up of Brandon, Derek, James McCallister and Troy; they were on holiday in Mexico when the border closed and then the country fell. Brandon is the leader of the group.
The Vultures are a group of hostile survivors introduced in Season 4 of AMC's Fear The Walking Dead. They are led by a man named Melvin and serve as the primary antagonists of the first half of Season 4.
Logan's Crew is a group of hostile survivors introduced in Season 5 of AMC's Fear The Walking Dead. They are led by Logan, the co-owner of Wittington's Denim Company, and serve as the primary antagonistic group of the whole of Season 5.