Musical groups established in 2011

Russian punk-rock collective based in Moscow

English girl group

Australian pop rock band

Pentatonix (abbreviated PTX) is an American a cappella group from Arlington, Texas, consisting of the vocalists Scott Hoying, Mitch Grassi, Kirstin Maldonado, Matt Sallee, and Kevin Olusola. Characterized by their pop-style arrangements with vocal harmonies, scat singing, riffing, vocal percussion, and beatboxing, they produce cover versions of modern pop works or Christmas songs, sometimes in the form of medleys, along with original material. Pentatonix was formed in 2011 and subsequently won the third season of NBC's The Sing-Off, receiving $200,000 and a recording contract with Sony Music.

2Cellos (stylized 2CΞLLOS) were a Croatian cellist duo, consisting of classically trained cellists Luka Šulić and Stjepan Hauser. Signed to Sony Masterworks in 2011, they released six albums. The duo played instrumental arrangements for cellos of well-known pop and rock songs, as well as classical and film music. The duo performed internationally and were featured on several American television series including Glee and The Bachelor (Sean and Catherine's Wedding). They continue to be active as solo performers.

American rock band

Apink (; ) is a South Korean girl group formed in 2011, currently consists of five members: Chorong, Bomi, Eunji, Namjoo, and Hayoung. Originally a septet, Yookyung left in 2013 to pursue her education and Naeun left to pursue her acting career in 2022.

Danish band

Chvrches (stylised CHVRCHΞS and pronounced "Churches") are a Scottish synth-pop band from Glasgow, formed in September 2011. The band consists of Lauren Mayberry, Iain Cook, Martin Doherty and, unofficially since 2018, Jonny Scott. Mostly deriving from the synth-pop genre, Chvrches also incorporate indietronica, indie pop, and electronic dance into their sound.

thumb|Aarzemnieki Aarzemnieki (; an internet style writing of the Latvian word "ārzemnieki", meaning "foreigners") are a Latvian band that represented Latvia in the Eurovision Song Contest 2014 in Copenhagen, Denmark, with their song "Cake to Bake". The lead singer of the band, Jöran Steinhauer, is German.

DoReDoS is a Moldovan trio from Rîbnița, Transnistria. The group consists of Marina Djundyet, Eugeniu Andrianov and Sergiu Mîța. They represented Moldova in the Eurovision Song Contest 2018 in Lisbon, Portugal, with the song "My Lucky Day". They had previously attempted to represent Moldova at Eurovision in 2015 and 2016. They won New Wave 2017 for Moldova.

B1A4 () is a South Korean boy band formed by WM Entertainment. The group debuted on April 23, 2011, with the single "O.K" from the EP ''Let's Fly'', after being introduced to the public through a webtoon. They have released nine studio albums (four Korean and five Japanese) and seven EPs, as well as four compilation albums. The group had considerable commercial and critical success in both the Korean and Japanese markets. They have also toured in the United States.

South Korean musical group; boyband

South Korean girl group

Australian musical group; electronic music duo

Ukrainian rock/pop band

South Korean boy group

South Korean girl group

HKT48 (read "H.K.T. Forty-eight") is a Japanese idol group produced by Yasushi Akimoto. HKT48 is named after the Hakata-ku ward of Fukuoka, where Akimoto originally intended to base the group. The group currently performs at City Bank HKT48 Theater in Fukuoka and has sold nearly 4 million copies of CDs in Japan.

Softengine is a Finnish alternative rock band that represented Finland in the Eurovision Song Contest 2014 in Copenhagen, Denmark, with their song "Something Better". They released their debut album We Created the World in October 2014. The band's members were born between 1994 and 1997.

SuperHeavy was a one-off supergroup project consisting of Mick Jagger, Joss Stone, Dave Stewart, A. R. Rahman, and Damian Marley. Stone and Stewart have collaborated in the past with Jagger. Jagger said of the band, "We wanted a convergence of different musical styles... We were always overlapping styles, but they were nevertheless separate". Jagger wanted SuperHeavy to showcase different musical styles, with music ranging from reggae to ballads to Indian music.

JKT48 (pronounced J-K-T-forty-eight) is Indonesia's premier girl group, established in 2011 as the first international sister group of Japan's AKB48. Based in Jakarta, the capital and largest city of Indonesia located on the northwest coast of the island of Java, the group has become a cultural phenomenon. The group does this by blending music, fan interaction, and performance into a unique idol experience. They first adopted the concept of "idols you can meet", before switching to "idols that come to meet you" in April 2018.

is a Japanese female idol group produced by Yasushi Akimoto, created as the "official rival" of the group AKB48. They are the first group from the Sakamichi Series, which also includes sister groups Sakurazaka46 (formerly Keyakizaka46), Yoshimotozaka46, and Hinatazaka46.

British rock duo

American pop rock band

subgroup of the South Korean boy band Super Junior

American music band

Blackswan (; stylized in all caps) is a South Korean multinational girl group formed by DR Music. The group consists of Fatou, Gabi, Sriya and NVee, and is the final lineup of Blackswan, as confirmed by Fatou herself in a Veeper audio.

South Korean vocal duo

a Mexican musical trio

South Korean girl group

AnnenMayKantereit (occasionally shortened AMK) is a German rock band founded in Cologne in 2011. Their songs are predominantly performed in German, but the band also publishes cover songs in English occasionally. A notable feature of the band's music is the distinct and rough voice of singer Henning May.

E-girls (sometimes stylized as E-Girls or e-girls; stands for Exile Girls) was a Japanese collective girl group created and managed by LDH while signed to music label Rhythm Zone from Avex. As of 2017, the band consisted of 11 members; 8 of which featured members of groups Happiness and Flower. Created as a sister act to boy band Exile, E-girls debuted in 2011 with their single "Celebration". After a string of promotional recordings, E-girls released their debut record Lesson 1 two years later. In 2013, their single "Gomennasai no Kissing You" catapulted the girls into commercial success, sell

Alvvays (pronounced "always") is a Canadian indie pop band formed in 2011, originating from Charlottetown, Prince Edward Island, and subsequently based in Toronto, Ontario. It consists of Molly Rankin (vocals and guitar), Kerri MacLellan (keyboards), Alec O'Hanley (guitars), and Sheridan Riley (drums). Their self-titled debut studio album, released in 2014, topped the US college charts. Their second studio album, Antisocialites, was released on September 8, 2017. Their third studio album, Blue Rev, was released on October 7, 2022.

Sistar19 () is a South Korean duo and sub-unit of the girl group Sistar, formed by Starship Entertainment. Composing of Bora and Hyolyn, they debuted in May 2011 with the digital single "Ma Boy". Their second and most successful single, "Gone Not Around Any Longer", was released in 2013 as the title track for their first and only EP of the same name.

American musical duo from New York

Australian band

A-WA (, Arabic for Yes) is an Israeli band made up of the three sisters Tair, Liron, and Tagel Haim. Their single "Habib Galbi" (Love of My Heart) became a global hit, with its Yemenite traditional music mixed with hip hop and electronic music.

South Korean girl group

Japanese rock band

US supergroup

Timelesz (stylized as timelesz, formerly known as Sexy Zone) is an eight-member Japanese boy band managed by Starto Entertainment (formerly of Johnny & Associates).

American heavy metal band

American band

Japanese all-female band

Icelandic post-rock band

American pop rock band

Vulfpeck is an American funk/soul band formed in Ann Arbor, Michigan, in 2011. Founded by multi-instrumentalist Jack Stratton, the band includes core members Theo Katzman, Woody Goss, and Joe Dart, musical partners Cory Wong, Antwaun Stanley, Joey Dosik, and Jacob Jeffries, and a changing lineup of guest musicians. The band has released six studio albums, four extended plays, a compilation, and two live albums through their own record label. The band gained recognition in 2014 for releasing Sleepify, a silent album that exposed a loophole in Spotify's royalty distribution and funded an admissi

Japanese music group (2011-2023)

Australian entertainers

Cherrybelle, later known as Chibi Chibi, is an Indonesian girl group formed in 2011 under CBM Entertainment. The group debuted in 2011 with nine members consisting of Angel, Anisa, Cherly, Christy, Devi, Felly, Gigi, Ryn, and Wenda. In the following years after their debut, the group went through major member changes. In 2012, Devi and Wenda's contracts were terminated while Annisa departed the group in 2013; they were replaced by Kezia, Steffy, and Novi. In 2015, group-leader Cherly along with Felly, Gigi, Kezia, Ryn, and Steffy left the group citing differences with their label, leaving only

Myname (; stylized as MYNAME) is a South Korean boy group created by Fly to the Sky's Hwanhee under H2 Media. The group is composed of five members: Gunwoo, Insoo, Seyong, Jun.Q, and Chaejin. The group debuted on October 27, 2011 with their digital single "Message".

English rock band

South Korean hip-hop group

South Korean musical group

American musical group; rock band

Austrian black metal band

rock band

Manntra is a Croatian folk metal band from Umag, formed in 2011. After the disbandment of the industrial metal band Omega Lithium, two of its members, Marko Matijević Sekul and Zoltan Lečei, went on to form Manntra, immediately calling Andrea Kert as a drummer.

DIIV (pronounced and formerly known as Dive) is an American rock band from Brooklyn, New York City, formed in 2011. The band consists of Zachary Cole Smith (vocals, guitar), Andrew Bailey (guitar), Colin Caulfield (bass, keyboards, guitar, vocals) and Ben Newman (drums).