The Guess Who is a Canadian rock band from Winnipeg, Manitoba, that was one of the first to establish a major successful following in their own country while still residing there. Produced by Jack Richardson, C.M., they were the first Canadian rock group to have a No.1 hit in the United States (see 1970 in music).

The Guess Who started out as a local Winnipeg band formed by singer/guitarist Chad Allan in 1960 and initially called Al and the Silvertones. This was changed to Chad Allan & the Reflections in 1962, by which point the band consisted of Chad Allan (vocals/guitar), Bob Ashley (keyboards), Randy Bachman (guitars), Jim Kale (bass), and Garry Peterson (drums). All the band members were born in Winnipeg.

Members:
Carl Dixon
Jim Kale
Laurie MacKenzie
Garry Peterson
Leonard Shaw