Monster Manual III

Monster Manual III might refer to:
 * Monster Manual III 4th edition (2009), D&D 4th edition by Mike Mearls, Greg Bilsland, and Robert J. Schwalb
 * Monster Manual III 3rd edition (2004), D&D 3rd edition by Chris Perkins, Gwendolyn Kestrel, and Andrew Finch

For other books containing the title "Monster Manual", see Monster Manual (disambiguation).