Bernard Hartwell "Step-Buddy" Anderson (1919–1997) was an American jazz trumpeter from Oklahoma City, Oklahoma. Having studied music at school under Zelia N. Breaux, Anderson was a professional musician by 1934, playing with the Ted Armstrong band in Clinton, Oklahoma. In the late 1930s he was a member of the Xavier University jazz band in New Orleans.In 1939 Anderson returned to Oklahoma City and joined the Leslie Sheffield band that included Charlie Christian, another Zelia Breaux pupil.