《书库》（希腊语：Βιβλιοθήκη，又称《文库》或《书藏》）是西方一部古籍，书中载有大量有关希腊神话的原始数据（例如诸神的家谱），而以英雄神话为主，是现代学者研究古希腊神话的重要文献。

现存所有《书库》的手稿均来自一份十四世纪藏于巴黎国立图书馆的手稿，原稿的若干部分已散轶，但于十九世纪分别在梵蒂冈和耶路撒冷发现两册有关该书的节录，因而可推出散失部分的梗概。据学者考证，《书库》成书于公元一世纪至二世纪，传统上嫁名于古希腊学者、雅典的阿波罗多洛斯（Απολλόδωρος，约生活于公元前二世纪），因为时间不脗合，现在习惯将该书的作者称为「伪阿波罗多洛斯」。

The Bibliotheca (Ancient Greek: Βιβλιοθήκη Bibliothēkē, "Library") is a compendium of myths and heroic legends, arranged in three books, generally dated to the first or second centuries AD. It was known traditionally as the Library of Apollodorus, but the attribution is now regarded as false. The Bibliotheca has been called "the most valuable mythographical work that has come down from ancient times". An epigram recorded by Photius expressed its purpose: