Fungicidal mixtures, comprising, as active components, 1) a sulfamoyl compound of the formula I, in which the substituents are as defined below: R1 is hydrogen, halogen, cyano, alkyl, haloalkyl, alkoxy, alkylthio, alkoxycarbonyl, phenyl, benzyl, formyl or CH═NOA; A is hydrogen, alkyl, alkylcarbonyl; R2 is hydrogen, halogen, cyano, alkyl, haloalkyl, alkoxycarbonyl; R3 is halogen, cyano, nitro, alkyl, haloalkyl, alkoxy, alkylthio, alkoxycarbonyl, formyl or CH═NOA; n is 0, 1, 2, 3 or 4; R4 is hydrogen, halogen, cyano, alkyl or haloalkyl; and 2) at least one active compound selected from the following groups: A) azoles; B) strobilurins; C) acylalanines; D) amine derivatives; E) anilinopyrimidines; F) dicarboximides; G) cinnamides and analogs; H) dithiocarbamates; I) heterocylic compounds; K) sulfur and copper fungicides; L) nitrophenyl derivatives; M) phenylpyrroles; N) sulfenic acid derivatives; O) other fungicides; according to the description; in a synergistically effective amount, methods for controlling harmful fungi using mixtures of a compound I with active compounds of groups A) to O) and the use of the compounds I with active compounds of groups A) to O) for preparing such mixtures, and also compositions comprising these mixtures.