Albert Ludwig "Ollie" Marquardt (September 22, 1902 – February 7, 1968) was a second baseman in Major League Baseball who played briefly for the Boston Red Sox during the 1931 season.
Ollie Johnston | Marquardt | Levenberg–Marquardt algorithm | Ollie Halsall | Ollie | Strikeforce: Marquardt vs. Saffiedine | Ollie (skateboarding trick) | Ollie Rafferty | Ollie E. Brown | Marquardt Corporation | Joachim Marquardt | Frank and Ollie |