This was one of the many Justice Leagues formed when Hector Hammond made the world forget the Justice League. This group was formed by Kyle Rayner and it consisted of flying heroes.

Initially formed as a special missions task force working with the UN, the JLTF eventually became the Justice League training team for younger heroes under the sometimes strict but watchful eye of J'onn J'onzz.

Following the events of Forever Evil, the A.R.G.U.S.-led Justice League of America is disbanded, but while helping Adam Strange in Canada, Stargirl puts out a call for back-up and a new splinter Justice League team is formed in the north.

The DCAU's version of the Justice League. It was originally formed to stop an alien invasion, but they stayed together to save the world, the universe, and even the multiverse multiple times.

Superhero team from the 853rd century, inspired by the legacies of today's heroes.

A team from the 853rd century than resembles the Titans.

Team associated to the Justice Legion from the 853rd century and inspired in the 31st century Legion of Super-Heroes.

Team from the 853rd century, composed of one million altered clones of Superman and based on the Kon-El Superboy

Young team from the 853rd century than resembles the Young Justice team.

In an alternate timeline, where Luthor was elected President of the United States then proceeded to execute the Flash. This made the Justice League become more extreme in their worldview, where they ruled the planet under a totalitarian dictatorship with an Iron Fist.

Fifth Dimensional Justice League

Secretly run by organised criminals, The Justice Party is a fascist political party that controls New York in 2012 Dynamite Series "Masks".

Western superheroes who bring justice to the wild west frontier of Earth-18.

A corp of law enforcers from alternate reality Earth-23238. Their special duties are to apprehend mutants and superhumans, who are illegal on their world.

The Justice Society Dark is a team of supernatural heroes within the DC Universe assembled to fight mystical threats that traditional heroes can't handle ordinarily. The team was lead by the original Mister Miracle (Thaddeus Brown) back in the Golden Age.

They are the next generation of heroes from Earth-2.

The Justice Society of America was the 1st super team in the DCU

Team of villains using the Justice League members' identities operating in Earth 3 under Amanda Waller's orders.

The Justice Titans is an amalgamated dreamed reality version of both the Teen Titans and the Justice League. The team is led by Night Lantern. Later, is the name of the premier team of Earth-32.

A team of super-powered beings from across Earth-3 who secretly band together to fight against the Crime Syndicate of Amerika.

The Justice League of Mexico

The Justifiers are Darkseid's storm troopers.

Short lived superheroish team lead by the Laughing Dog inspired by the F-Men.

A powerful Yakuza family

The Kaddak are one of two humanoid races native to their planet. With grayish skin, and bulbous heads, they are gifted with great mental powers. One day the Scorpius, a warrior alien race, invaded their planet. Their psi-powers were overwhelmed and they were forced to retreat to the mountains.

An savage, warlike alien race who had their world destroyed long ago and move from planet to planet taking everything over.

A vampire-dominant empire created and led by Kain.

K'aitians are a race from the planet K'ai.

An alien race from the world known as Kalahia who empowered Thin Man. The race is apparently extinct following Nazi attacks.

Aliens that hail from the planet Kalanor. They are psychics and empaths.

Flesh-eating spiders controlled by King Moak and an unnamed spider queen.

A humanoid alien race from the planet Kallu who were driven from their home in a centuries long intergalactic war.

A warlike race of aliens that destroy the Earth in the future...unless it's all a cosmic hoax.

Kaminoan are a race of tall necked aliens from the star wars universe that live on the system kamino. Known for their cloning abilties. They cloned an entire army of clone just from one man, Jango Fett. they also cloned the universe's most feared bounty hunter, boba fett. There is also a jedi master who is a kaminoan, soifra.

Kryptonians who resides in the bottle city of Kandor.

One of Gotham City's "founding families", the Kanes established themselves from an early date as major players in the city's future.

Inhabitants of the post after disaster Australia, the Scorched Outback, the Kanga Rat Murder Society enjoys races with bloody outcomes.

Group of humanoid aquatic creatures from Japanese folklore.

Kaptroids are Kree automatons designed to seek out and harvest Inhumans for use as slave-soldiers.

A soldiers for hire operation that Marc Specter was a part of before he became Moon Knight

Karnans are feline natives on planet Karnan in Vega system.

The Katellans are an alien species of the planet Katella, whose people signed a peace treaty with their lifelong enemies, the Acurans.

The Kato Family has strong ties with the Reid family and have fought as heroes alongside each other as the Green Hornet and Kato

When universe's became overlapped the Gen-13 leader named Caitlin Fairchild found herself in a different reality. Here she led a group of young mutants with varied abilities who united under her tutelage would be called Kat's Cadets.