An Anglo-Saxon Dictionary
[Image:Adictionaryangl02boswgoog 0294.jpg|thumb|upright|right|250px|A page from the 1838 edition of Bosworth's Dictionary]
An Anglo-Saxon Dictionary is a dictionary of Old English. Four editions of the dictionary were published. It has often been considered the definitive lexicon for Old English. It is often referred to by the names of its compilers, for example Bosworth or Bosworth & Toller.