There are provided a flame-retardant resin composition for a multilayer wiring board and a multilayer wiring board having the same. The flame-retardant resin composition for a multilayer wiring board according to an exemplary embodiment of the present invention includes a composite epoxy resin including a naphthalene modified epoxy resin, a cresol novolac epoxy resin, a rubber modified epoxy resin and a phosphorous-based epoxy resin, as well as a flame retardant represented by a specific chemical formula. The flame-retardant resin composition for a multilayer wiring board and the multilayer wiring board having the same disclosed herein exhibits excellent flame retardancy, moisture resistance and peel strength.