Die block may refer to:

• A component of a Die_(manufacturing)
• A component of a valve gear, such as Walschaerts valve gear

• Phylloscyrtini
• Phyllostachys boryana
• Phyllostachys filifera
• Phyllostachys fulva
• Phyllostachys nana
• Phyllostachys nigripes
• Phyllostachys nigropunctata
• Phyllostachys punctata
• Phyllostachys stolonifera
• Phyllostachys vivax
• Phyllosticta cicerina
• Phyllosticta minima
• Phyllothelyinae
• Phyllothelys
• Phyllotrema
• Phyllotreta
• Phyllotreta aeneicollis
• Phyllotreta albionica
• Phyllotreta armoraciae
• Phyllotreta bipustulata
• Phyllotreta chalybeipennis
• Phyllotreta conjuncta
• Phyllotreta cruciferae
• Phyllotreta denticornis
• Phyllotreta lewisii