Nipissing may refer to the following places in Ontario, Canada:

  • Lake Nipissing
  • The Nipissing First Nation
  • Nipissing 10, reserve of Nipissing First Nation
  • Nipissing District, a census division
  • West Nipissing, an incorporated municipality in Nipissing District
  • Nipissing River in Algonquin Provincial Park, a tributary of the Petawawa River
  • Nipissing Township, in Parry Sound District
  • Nipissing University in North Bay
  • Electoral districts:
  • Nipissing (electoral district), a former federal electoral district
  • Nipissing (provincial electoral district), a current provincial electoral district
  • Nipissing—Timiskaming, a current federal electoral district

Other

  • Nipissing Great Lakes, a prehistoric lake
  • , an 1887 steamship, still in service as RMS Segwun