1 Three Days Grace
Three Days Grace is a Canadian rock band formed in Norwood, Ontario in 1992 with a line-up consisting of guitarist and lead vocalist Adam Gontier, drummer and backing vocalist Neil Sanderson, and bassist Brad Walst. Their original name was Groundswell until they changed it to their current name in 1997. ...read more.
Rush was a Canadian progressive rock band that was formed in 1968. Even though the only founding member still in the band is Alex Lifeson (Guitar), the band is most well-known for their current members Neil Peart (Drums) and Geddy Lee (Bass, Vocals). ...read more.
They deserve more attention than they get. Definitely. - RockStarr
3 Protest the Hero
4 Sum 41
Sum 41 is a Canadian rock band from Ajax, Ontario, Canada. Originally called Kaspir, the band was formed in 1996 and, as of 2015, consists of lead vocalist/rhythm guitarist Deryck Whibley, lead guitarist/backing vocalist Dave Baksh, co-lead guitarist/backing vocalist Tom Thacker, bassist/backing vocalist ...read more.
5 Finger Eleven
6 Our Lady Peace
7 Billy Talent
Billy Talent is a Canadian rock band from Mississauga, Ontario. They formed in 1993 with Benjamin Kowalewicz as the lead vocalist, Ian D'Sa on guitar, bassist Jon Gallant and drummer Aaron Solowoniuk.
Kittie are a Canadian heavy metal band formed in London, Ontario, in 1996. They have released six studio albums, one video album, four extended plays, thirteen singles and thirteen music videos.
Alexisonfire is a five-piece Canadian post-hardcore band that formed in St. Catharines, Ontario in 2001. The band consists of George Pettit, Dallas Green, Wade MacNeil, Chris Steele, and Jordan Hastings.
underrated - danimey
10 My Darkest Days
My Darkest Days is a Canadian rock band based in Peterborough, Ontario consisting of lead singer Matt Walst, bassist Brendan McMillan, drummer Doug Oliver, and keyboardist Reid Henry.
Annihilator is a Canadian thrash metal band founded in 1984 by vocalist, guitarist, bassist, songwriter, engineer, producer, mixer and mastering engineer Jeff Waters and former vocalist John Bates.
Strange that the best metal band from Canada (not only from Ontario) wasn't on the list. - Metal_Treasure
Anvil are a Canadian heavy metal band from Toronto, Ontario, formed in 1978. The band consists of Steve "Lips" Kudlow, Robb Reiner and Chris Robertson.
Same here - these guys wrote some of the first thrash songs ever, before the thrash exposion in the 80s. - Metal_Treasure
One of the best metal bands formed after 2000. - Metal_Treasure
15 The Birthday Massacre
The Birthday Massacre is a Canadian dark wave and synth rock band currently consisting of Chibi (vocals), Rainbow (guitar), Falcore (guitar), Owen (keyboard), Rhim (drums) and Nate Manor (bass), that formed in 1999 (even though the 2016 demo collection "Imagica" dates some tracks back at 1998). ...read more.