The following is a list of events affecting radio broadcasting in 2011. Events listed include radio program debuts, finales, cancellations, and station launches, closures and format changes, as well as information about controversies.

Stefani Joanne Angelina Germanotta (/ˈstɛfəniː dʒʌrməˈnɑːtə/ STE-fə-nee jurr-mə-NAH-tə; born March 28, 1986), known by her stage name Lady Gaga, is an American singer and songwriter. Born and raised in New York City, she primarily studied at the Convent of the Sacred Heart and briefly attended New York University's Tisch School of the Arts before withdrawing to focus on her musical career. She began performing in the rock music scene of Manhattan's Lower East Side, and was signed with Streamline Records by the end of 2007. During her employment as a songwriter for the record company, her vocal abilities captured the attention of recording artist Akon, who signed her to his label Kon Live Distribution.

Lady Gaga came to prominence as a recording artist following the release of her debut album The Fame (2008), which was a critical and commercial success that topped charts around the world and included the international number-one singles "Just Dance" and "Poker Face". After embarking on the The Fame Ball Tour, she followed the album with The Fame Monster (2009), which spawned the worldwide hit singles "Bad Romance", "Telephone" and "Alejandro". The album's success allowed her to embark on the eighteen-month long Monster Ball Tour, which later became one of the highest-grossing concert tours of all time. Her most recent album Born This Way (2011) topped the charts of most major markets and generated more international chart-topping singles, including "Born This Way", "Judas" and "The Edge of Glory". Besides her musical career, she involves herself with humanitarian causes and LGBT activism.

Freddie Mercury (born Farrokh Bulsara (Gujarati: ફારોખ બલ્સારા‌), 5 September 1946 – 24 November 1991) was a British musician, singer and songwriter, best known as the lead vocalist and lyricist of the rock band Queen. As a performer, he was known for his flamboyant stage persona and powerful vocals over a four-octave range. As a songwriter, Mercury composed many hits for Queen, including "Bohemian Rhapsody", "Killer Queen", "Somebody to Love", "Don't Stop Me Now", "Crazy Little Thing Called Love" and "We Are the Champions". In addition to his work with Queen, he led a solo career, and also occasionally served as a producer and guest musician (piano or vocals) for other artists. He died of bronchopneumonia brought on by AIDS on 24 November 1991, only one day after publicly acknowledging he had the disease.

Mercury was a Parsi born in Zanzibar and grew up there and in India until his mid-teens. He has been referred to as "Britain's first Asian rock star". In 2002, Mercury was placed at number 58 in the BBC's poll of the 100 Greatest Britons, in 2006, Time Asia named him one of the most influential Asian heroes of the past 60 years, and he continues to be voted one of the greatest singers in the history of popular music. In 2005, a poll organised by Blender and MTV2 saw Mercury voted the greatest male singer of all time. In 2008, Rolling Stone editors ranked him number 18 on their list of the 100 greatest singers of all time. In 2009, a Classic Rock poll saw him voted the greatest rock singer of all time.Allmusic has characterised Mercury as "one of rock's greatest all-time entertainers", who possessed "one of the greatest voices in all of music".

System of a Down, also known by the acronym SOAD and often shortened to System, is a rock band from Southern California, formed in 1994. It consists of Serj Tankian (lead vocals, keyboards, rhythm guitar), Daron Malakian (guitar, vocals), Shavo Odadjian (bass, background vocals) and John Dolmayan (drums).

The band achieved commercial success with the release of five studio albums; from which three debuted at number one on the Billboard 200. System of a Down has been nominated for four Grammy Awards, and won the award in 2006 for Best Hard Rock Performance for the song "B.Y.O.B.". The group went on hiatus in August 2006, but reunited in November 2010, embarking on a worldwide tour in 2011.

Serj Tankian, Daron Malakian, and Shavo Odadjian all attended Rose and Alex Pilibos Armenian School while children, although because of their eight-year age difference they did not meet until 1992 while working on separate projects at the same recording studio. They formed a band named Soil with Tankian on vocals and keyboards, Malakian on vocals and guitar, Dave Hakopyan (who later played in The Apex Theory/Mt. Helium) on bass and Domingo "Dingo" Laranio on drums. The band hired Shavo Odadjian (another Rose and Alex Pilibos alumnus) as manager, although he eventually joined Soil as rhythm guitarist. After three years, only one live show, and one jam session recording, Hakopyan and Laranio quit the band, feeling that it was not going anywhere.

Antoine Konrad (born June 23, 1975), better known as DJ Antoine, is a Swiss-Lebanese house and electro DJ and producer, from Beirut, Lebanon. He has had a number of successful single and album releases in Western Europe, in particular Switzerland and France. DJ Antoine's first notable release was the 2000 album Houseworks 01, and he has since released many albums in the last years. One of his releases, Jealousy (released in 2007) was one of his best selling albums.Also, In 2010, he released the summer hits "Welcome To St. Tropez (Feat. Kalenna)" and "Sunlight (Feat. Tom Dice).^{[citation needed]}

With more than 1,5 million sold albums, 34 gold records, 5 platinum awards, 1 double-platin award and owning the record label „Houseworks“, DJ Antoine is the internationally most successful DJ of Switzerland.

His career officially took off in 1995, when he opened his club called House Café in the city of Basel. This club is the benchmark for the progress of the whole scene in Basel and the cult-parties are still in fond memories. After a short tip into the Swiss Hip Hop scene, DJ Antoine had quickly switched genre, getting hooked on the Pumping-House-Wave. In 1998, he released his first album “DJ Antoine – The Pumpin’ House Mix”. 1999 “Houseworks 1” won the first gold award. After that, things started to move very fast. Until this day, DJ Antoine has produced 51 CDs, strongly establishing his music and himself in the music and clubbing scene. Since 2003 he has been hosting his own weekly radio show, which is broadcasted by radio stations all over the world.