- Ken Reynolds
- Ken Rhodes Trio
- Ken Rich
- Ken Richards & Harmonisers
- Ken Rieske
- Ken Ring
- Ken Roberts
- Ken Robertson
- Ken Robinson
- Ken Rogers
- Ken Roman
- Ken Root
- Ken Root
- Ken Rose
- Ken Rosholt
- Ken Ross
- Ken Rosser
- Ken Rothacker
- Ken Rowell
- Ken & Roy
- Ken Rubenstein
- Ken Ryce
- Ken-Ryw
- Ken Sanchez
- Ken Sansom
- Ken Sasaki
- Ken Sasaki
- Ken Sato
- Ken Sawaki
- Ken Sawyer
- Ken Saydak
- Ken "Scat" Springs
- Ken Schaphorst
- Ken Schaphorst Big Band
- Ken Schoon
- Ken Scott
- Ken Scott
- Ken Scott
- Ken Sebesky
- Ken Seebeck
- Ken Selcer
- Ken Serio
- Ken Shamrock
- Ken Shamrock
- Ken Shane