Wyatt Robert "Bull" Ruther (February 5, 1923, Pittsburgh – October 31, 1999, San Francisco) was an American jazz double-bassist.

In addition, he performed in the United States during the same period, taking the stage with Ray Bryant, Zoot Sims, Bob Brookmeyer, and Chico Hamilton.

[17] Ruther returned to San Francisco in 1984, where he performed with Stan Getz, Lou Stein, John Handy, Benny Carter, Joe Henderson, and Jerome Richardson in the late 1980s and early 1990s.

[18][19] A working musician until the end of his life,[20] Ruther died at his home in San Pablo, California, on October 31, 1999, from a heart attack at the age of seventy-six.

[26] With Ray Bryant With Al Grey With Chico Hamilton With Erroll Garner With The Dave Brubeck Quartet: Brubeck-Desmond - 4 Tracks - Vogue LAE 12114 Recorded November 1951