Olsen, Dave
- Toronto-based jazz piano player and singer. Provides a brief profile, photos, information about his group and recordings.
- http://www.daveolsen.com/

Orr, Brian
- A performer, composer and session musician from Waterloo, Ontario, playing genres including jazz, blues, funk, R&B and gospel.
- http://www.brianorr.com/

O'Neil, Cindy
- A singer, songwriter and independent recording artist living in Calgary, Canada. "Jazzy, bluesy, funky best describes my style as a vocalist."
- http://www.cindyoneil.com/