Appendix
Appendix (PL: appendices) may refer to:

In documents
Addendum, an addition made to a document by its author after its initial printing or publication
Bibliography, a systematic list of books and other works
Index (publishing), a list of words or phrases with pointers to where related material can be found in a document

Anatomy
Appendix (anatomy), a part of the human digestive system

Arts and media
Appendix (band), a Finnish punk rock group
The Appendix, a quarterly journal of history and culture