Bob Alexander (1922–1993) was a Major League Baseball pitcher.

Bob Alexander may also refer to:

Bob Alexander (ring announcer) (born 1963), American professional ring announcer Bob Alexander, American candidate for Congress, see United States House of Representatives elections in Michigan, 2008 Bob Alexander (ice hockey) in 1983–84 New York Rangers season Bob Alexander (runner) (1915–?), American miler, 1937 All-American for the Stanford Cardinal track and field team

See also Robert Alexander (disambiguation)