the lakers and celtics met in the NBA finals eleven times.
The Lakers went to the NBA Finals seven times in the 1980's.
The Lakers have lost 15 NBA Finals. They made it to a total of 31 NBA Finals, and won 16 of them.
5 times with Minneapolis Lakers and 9 times with the Los Angeles Lakers.
I'm pretty sure it twice. The lakers are 2-8 verse the celtics in the finals.
The Lakers franchise has won 16 world championships.
The appeared in the finals 30 times and they won 15 and lost 15. So the answer to your question is 15 time they have lost in the NBA Fianls.