There are four groups (1, 2, 3, and 4) and a famous TV series (5) under the name A-Team.
1) A-Team was a rap duo from New Jersey. The group, consisting of members Ransom and Hitchcock, were affiliates of DJ Clue's Desert Storm Records along with Fabolous and Stack Bundles. They have released numerous mixtapes making a name for themselves in the underground Hip-Hop world but eventually decided to part ways.
2) A-Team was one of the first hip-hop rap groups in Norway. Read more on Last.fm