1Team (Korean: 원팀, pronounced as: "One Team") was a South Korean boy group formed by Live Works Company in 2019. The name of the group means "Unique individuals become new as one". The group consisted of 5 members. They debuted on March 27, 2019 with the mini album Hello! and debut song “Vibe”. Members Rubin and BC earlier appeared in shows Boys24 and Mix Nine.
On March 10, 2021, the group was confirmed to be disbanding after their final group activities on March 14, and that the members' contracts would be terminated.