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List of Christmas operas •
List of fictional literature featuring opera •
List of films based on operas •
List of historical opera characters •
List of important operas – an annotated chronological list of operas which are included for their historical significance or widespread popularity (or both). •
List of opera festivals •
List of opera genres •
List of opera houses – lists opera houses by name (or name of performing arts centres in which they are located, if appropriate and best known that way). •
List of operas by composer – an extended list of more than 2,300 works by more than 720 composers. •
List of operas by title – an alphabetical list by title of operas with Wikipedia articles. •
List of operas set in the Crusades •
List of Orphean operas – list of operas dealing with the myth of Orpheus. •
List of radio operas •
List of television operas •
Lists of opera companies ==Opera discographies==