Once, in 1996. They've also lost in the Final three times (1997, 1998 and 2003).
Chelsea have never won the Champions League
In the Champions League era, Milan were runners-up in 1993, 1995 and 2005. Pre-CL they also lost the final in 1958.
0 There been in the the Champions League Final losing 2-1 to Barcelona
Arsenal have reached the champion league for the 12 years in a row but they lost the final to Barcelona in the final 2-1 was the score.
If you are asking of the champion league then they have not won it at all.But they did reach the final once in 2006, where they lost to Barcelona.
Manchester United have only ever lost one Champions League final, against Barcelona in 2009.
Three times in the Champions League era: 1993 (to Marseille), 1995 (to Ajax) and 2005 (to Liverpool). They also lost the 1958 European Cup final to Real Madrid.
Juventus lost to Real Madrid in the 1998 Champions League final.
Arsenal lost the 2006 Champions League final to FC Barcelona. They lost the final 2-0.
Because Liverpool lost on UEFA Champion league quarter final 1st leg with Chelsea at anfield. Sorry to say this happened in the 08/09 season. Good tie though! Second leg was awesome. In this years Champions league Liverpool went out in the group stages because they finished third, (behind Lyon and Forientina).
Manchester United have lost the UEFA Champions League final twice. They lost to FC Barcelona in 2009 and 2011.