Two X (Korean: 투엑스) was a South Korean girl group from J. Tune Entertainment that debuted in 2012. The group's initial line-up consisted of five members: Jiu, Minjoo, Eun, Surin, and Eunyoung. The group released three singles: "Double Up" (2012), "Ring Ma Bell" (2013), and "Over" (2016) before disbanding.