Ill (ill) may refer to:

ILL may stand for:

Edwin McCain (born January 20, 1970 in Greenville, South Carolina) is an American singer-songwriter and musician.

Long time touring friends with Hootie and the Blowfish, the Edwin McCain band signed with same label, Atlantic Records. In 1994, he recorded his first major-label album, Honor Among Thieves under the Lava Records imprint (Matchbox Twenty, Kid Rock and Jewel). The record was then released in 1995. His second album, Misguided Roses, spawned "I'll Be", a major hit single in 1998. This song is also featured on the charitable album, Live in the X Lounge, along with a live version of "Solitude". It was also featured and included in the soundtrack of the 2004 teen flick, A Cinderella Story.

Summer of 1999 marked the arrival of McCain's third album, Messenger, which included a second Top 40 hit, the Diane Warren-penned "I Could Not Ask For More." Produced by Matt Serletic (Matchbox Twenty, Collective Soul) and Noel Golden, Messenger was recorded at Tree Sound Studios and Southern Tracks in Atlanta as well as Record Plant Studios in Los Angeles. "I Could Not Ask For More" was also featured on the soundtrack for the 1999 film Message in a Bottle.

William Braunstein, better known as Ill Bill, is a Jewish American Rapper and record producer from Brooklyn, New York. Having gained notoriety in the underground hip hop group Non Phixion, Ill Bill is known for his hardcore lyrics and as the producer, founder and CEO of Uncle Howie Records. His brother Ron is also a rapper and producer, known as Necro.

Ill Bill was the main voice behind the now disbanded Non Phixion, and is currently involved with La Coka Nostra, along with Slaine, Danny Boy and DJ Lethal of House of Pain & Limp Bizkit fame. In 2004 he released his debut solo album What's Wrong with Bill? and has since released various solo mixtapes and collaborations in anticipation for his second solo record and the upcoming La Coka Nostra album.

On September 16, 2008, he released his second album on Uncle Howie Records, entitled The Hour of Reprisal. The album includes appearances from Necro, Tech N9ne, B-Real of Cypress Hill, Everlast, Bad Brains, Max Cavalera of Soulfly, Vinnie Paz of Jedi Mind Tricks, Howard Jones of Killswitch Engage, Immortal Technique and Raekwon of Wu-Tang Clan. It also features production by DJ Muggs, T-Ray, DJ Lethal, Necro, DJ Premier and Ill Bill himself.

Christopher Edward Martin (born March 21, 1966), better known by his stage name DJ Premier (also known as Preem, Premo, or Primo for short), is an American record producer and DJ, and was the instrumental half of the hip hop duo Gang Starr, together with emcee Guru. Born in Houston and raised in Prairie View, Texas, he has lived in Brooklyn, New York, for much of his professional career. Rolling Stone identified Premier as arguably Hip-Hop's greatest producer of all time.

The Source named DJ Premier one of the five greatest producers in hip-hop history, while the editors of About.com ranked him #1 on their Top 50 Hip-Hop Producers list. He also made the "Finals" in the search for The Greatest Hip-Hop Producer of All Time by Vibe. He attended Prairie View A&M University.

Premier is known for producing all of Gang Starr's songs as well as many of the Gang Starr Foundation's songs. His work also includes production for heavyweight rappers such as (alphabetic order) Apathy, Big L, Bun B, Canibus, D.I.T.C., Fat Joe, Game, Jay-Z, Kanye West, KRS-One, Lord Finesse, M.O.P., Mos Def, Nas, Rakim, Royce Da 5'9", The LOX, The Notorious B.I.G., Snoop Dogg, Xzibit, rock band Limp Bizkit, Big L, Big Daddy Kane, Ill Bill, Joell Ortiz, and pop/R&B singer Christina Aguilera, among many others.