This is a list of festivals held within the province of Ontario, Canada.

List of festivals in Ontario in Canada,Festivals by Canada, List of festivals in Ontario,List of festivals in Ontario-,
Map of Canada with Ontario highlighted
List of festivals in Ontario in Canada,Festivals by Canada, List of festivals in Ontario,List of festivals in Ontario-,
Ribfests typically attract large crowds
List of festivals in Ontario in Canada,Festivals by Canada, List of festivals in Ontario,List of festivals in Ontario-,
Ice sculptures in Confederation Park are illuminated nightly
List of festivals in Ontario in Canada,Festivals by Canada, List of festivals in Ontario,List of festivals in Ontario-,
The festival's fireworks display
List of festivals in Ontario in Canada,Festivals by Canada, List of festivals in Ontario,List of festivals in Ontario-,
Shot of the Twin stages

##Northern Ontario

  • Algoma Fall Festival (Sault Ste Marie, Ontario)
  • Bay Street Film Festival (Thunder Bay, Ontario)
  • Bon Soo Winter Carnival (Sault Ste Marie, Ontario)
  • Boots and Hearts Music Festival(Oro-Medonte, Ontario)
  • Cinéfest Sudbury International Film Festival (Sudbury, Ontario)
  • Festival of Northern Lights (Owen Sound, Ontario)
  • La Nuit sur l'étang (Sudbury, Ontario)
  • Mariposa Folk Festival (Orillia, Ontario)
  • Northern Lights Festival Boréal (Sudbury, Ontario)
  • Jazz Sudbury (Sudbury, Ontario)
  • Rock 'N' Ribs Music and Rib Festival (Sturgeon Falls, Ontario)

WayHome Music & Arts Festival (Oro-Medonte, Ontario)

##Southern Ontario

  • Brantford International Villages (Brantford, Ontario)
  • Brantford Ribfest (Brantford, Ontario)
  • Brighton Applefest (Brighton, Ontario)
  • Bluesfest International Windsor (Windsor, Ontario)
  • Blyth Festival (Blyth, Ontario)
  • Canada's Largest Ribfest (Burlington, Ontario)
  • Canada Dance Festival (Ottawa, Ontario)
  • Canadian Filmmakers' Festival (Toronto, Ontario)
  • Canal Days (Port Colborne, Ontario)
  • Carabram (Brampton, Ontario)
  • Carassauga (Mississauga, Ontario)
  • Scotiabank Caribbean Carnival Caribana (Toronto, Ontario)
  • Carnival of Cultures (Ottawa, Ontario)
  • Downtown Oakville Jazz Festival (Oakville, Ontario)
  • Elmira Maple Syrup Festival (Elmira, Ontario)
  • Festival of India, Ottawa (Ontario)
  • Fergus Scottish Festival and Highland Games (Fergus, Ontario)
  • Friendship Festival (Fort Erie, Ontario)
  • Goderich Celtic Roots Festival (Goderich, Ontario)
  • Grand River Film Festival (Cambridge, Ontario)
  • Guelph & District Multicultural Festival (Guelph, Ontario)
  • Hamilton Music and Film Festival (Hamilton, Ontario)
  • Havelock Country Jamboree (Havelock, Ontario)
  • Heatwave (festival) (Bowmanville, Ontario)
  • Home County Folk Festival (London, Ontario)
  • Ice Cream Festival (Hamilton, Ontario)
  • Jewish Music Week in Toronto
  • Kaleidoscope Gathering (Eganville, Ontario)
  • Kitchener-Waterloo Oktoberfest (Kitchener, Ontario)
  • KOI Music Festival (Kitchener, Ontario)
  • Lakefield Literary Festival (Lakefield, Ontario)
  • London Ribfest (London, Ontario)
  • London Ontario Live Arts Festival (London, Ontario)
  • Music at Port Milford Chamber Music Festival (Milford, Ontario)
  • MuslimFest (Mississauga, Ontario)
  • Newmarket Fiddle and Step Dance Festival (Newmarket, Ontario)
  • Niagara Falls Buskerfest (Niagara Falls, Ontario)
  • North by Northeast / NXNE (Toronto, Ontario)
  • Oakville Family Ribfest (Oakville, Ontario)
  • Ovation Music Festival (Stratford, Ontario)
  • Ottawa Bluesfest (Ottawa, Ontario)
  • Peterborough Summer Festival of Lights (Peterborough, Ontario)
  • Pride Week (Toronto) (Toronto, Ontario)
  • River and Sky Music and Camping Festival (Field, Ontario)
  • Rockton World's Fair (Flamborough, Ontario)
  • Rocking on the river (Blind river, Ontario) www.rockingontheriver.com
  • Simcoe Rotary Friendship Festival (Simcoe, Ontario)
  • Shaw Festival (Niagara-on-the-Lake, Ontario)
  • Steam Era (Milton, Ontario)
  • Stratford Shakespeare Festival (Stratford, Ontario)
  • Strawberry Fields Festival (Bowmanville, Ontario)
  • St. Lawrence Shakespeare Festival (St. Lawrence, Ontario)
  • Sunfest (London, Ontario) (London, Ontario)
  • The International Food Festival (London, Ontario) (London, Ontario)
  • Supercrawl (Hamilton, Ontario)
  • Toronto Chinese Lantern Festival (Toronto, Ontario)
  • Toronto Design Offsite Festival (Toronto, Ontario) www.todesignoffsite.com
  • Toronto Garlic Festival (Toronto, Ontario)
  • Toronto International Film Festival (Toronto, Ontario)
  • Toronto Reel Asian International Film Festival (Toronto, Ontario)
  • Toronto Rock and Roll Revival (Toronto, Ontario)
  • Toronto African Film & Music Festival, (Toronto, Ontario)
  • The Island Unplugged Music Festival, (Pelee Island, Ontario)
  • Wallaceburg Antique Motor Boat Outing (Wallaceburg, Ontario)
  • Waterloo Festival for Animated Cinema (Waterloo, Ontario)
  • Windsor–Detroit International Freedom Festival (Windsor, Ontario)
  • Winterlude (Ottawa, Ontario)
  • Canada Day