Keter Betts (1928–2005) was an influential American jazz double bassist and composer, renowned for his contributions to the genre of jazz, particularly in the realms of bebop and hard bop. Born in Washington, D.C., Betts gained prominence in the 1950s and 1960s, collaborating with notable artists such as Ella Fitzgerald, Billie Holiday, and Dizzy Gillespie. One of his most significant works was with Fitzgerald, where he played a crucial role in her performances and recordings during the 1960s. Betts is also recognized for his composition "Satin Doll," which has been covered by numerous artists. His style combined a deep understanding of traditional jazz with a modern sensibility, showcasing a strong melodic sense and rhythmic precision. Beyond his performance career, Betts was a highly regarded educator, influencing a new generation of musicians through teaching. His impact on jazz is noted not only through his recordings but also through his efforts in promoting and preserving the genre. Keter Betts remains a respected figure in jazz history, celebrated for his artistry and contributions to the evolution of jazz music.