X0101 EFFECT 33 LIVE 2015-10-30 0001193125-15-342551 485APOS 0001048702 NATIONWIDE MUTUAL FUNDS 333-40455 S000051205 Nationwide Emerging Markets Debt Fund C000161336 Class A S000051205 Nationwide Emerging Markets Debt Fund C000161337 Class C S000051205 Nationwide Emerging Markets Debt Fund C000161338 Institutional Class S000051205 Nationwide Emerging Markets Debt Fund C000161339 Institutional Service Class S000051206 Nationwide World Bond Fund C000161340 Class A S000051206 Nationwide World Bond Fund C000161341 Class C S000051206 Nationwide World Bond Fund C000161342 Institutional Class S000051206 Nationwide World Bond Fund C000161343 Institutional Service Class