* List of collegiate a cappella groups

* List of collegiate a cappella groups in the UK

* List of professional a cappella groups

* Collections or collective nouns for groups of animals are found in the article on List of animal names

* List of animal names, including names for groups

* List of organizations designated by the Southern Poverty Law Center as hate groups

* List of hentai authors ( groups, studios, production companies, circles )

* List of simple Lie groups

* List of microfluidics research groups

* List of poetry groups and movements

At lower levels, there were a large number of Strategic Air Command wings, groups such as the 1st Combat Evaluation Group, and large numbers of bases ( see List of Strategic Air Command Bases ).

* List over research groups

* List of finite simple groups

* List of sketch comedy groups

* List of simple Lie groups

* List of organizations designated by the Southern Poverty Law Center as hate groups

* List of past Chinese ethnic groups

* List of past Chinese ethnic groups

* List of free improvising musicians and groups

Pseudo-species names are now deprecated by the International Code of Nomenclature for Cultivated Plants which, instead, provides Cultivar Groups for categorising cultivars ( see groups at List of Canna cultivars ).

* List of best-selling girl groups

Since 1966 the group has seen many permutations and has included Garrett List, Jon Hassell, Alex Dea, and many others, including members of the 60s groups.

* List of finite simple groups

* List of Christian denominations # Millerites and comparable groups

* Charon, an inmate in the game Dead Island, who worked for multiple terrorist and hacker groups

* " Muggle " is used in informal English by members of small, specialised groups, usually those that consider their activities to either be analogous to or directly involve magic ( such as within hacker culture ; and Pagans, Neopagans and Wiccans ) to refer to those outside the group.

The Great Hacker War was a purported 1990 – 1991 conflict between the Masters of Deception ( MOD ) and an unsanctioned splinter faction of the older guard hacker group Legion of Doom ( LOD ), and some smaller subsidiary groups.

* The group KILOBAUD is formed in February, kicking off a series of other hacker groups which form soon after.

The term " phishing " is said to have been coined by well known mid-1990s spammer and hacker Khan C Smith, and its use was quickly adopted by warez groups throughout AOL.

The affinity between the science-fiction and computer hacker communities became evident in 2010 due to a software program entitled Low Orbit Ion Cannon, which although designed to aid in network stress-testing, increasingly became used as part of DDoS protests and attacks, including operations by Anonymous against secretive groups like the church of Scientology, and in defense of whistleblower website Wikileaks.

The hacker groups Anonymous and LulzSec claimed to have made it public on December 24, 2011 as part of Operation AntiSec, however Stratfor denied that the hack recovered the client list.

Countercultural groups, most notably slacker, hippie and hacker communities, have challenged these values in recent decades, characterizing them as submissive to authority and social convention, and not valuable in and of themselves, but only if it brings a positive result.

All these groups overlap heavily and ( where evidence is available ) seem to share characteristic hacker tropisms for science fiction, music.