Didymograptidae is an extinct family of graptolites.^[1]

List of genera from Maletz (2014):^[2]

• †Aulograptus Skevington, 1965
• †Baltograptus Maletz, 1994
• †Cladograpsus Geinitz, 1852
• †Cymatograptus Jaanusson, 1965
• †Didymograpsus M’Coy, 1851 in Sedgwick & M’Coy (1851)
• †Expansograptus Bouček & Přibyl, 1951
• †Janograptus Tullberg, 1880
• †Jenkinsograptus Gutiérrez-Marco, 1986
• †Parazygograptus Kozłowski, 1954
• †Trigonograpsus Nicholson, 1869