How many Roman legions were destroyed?

Were more Roman legions destroyed than the three usually discussed at Teutoburg Forest?

Yes; roughly nine or ten legions may have been wiped out during the main imperial period.

The three legions lost under Varus at Teutoburg Forest are the best-known examples. Other formations were also wiped out, bringing the rough total to about nine or ten during the main imperial period. That estimate excludes periods of internal division, where the counting problem would be different. Because the total is approximate and rests on the surviving picture, the useful takeaway is scale rather than an exact final tally.