The Waco A series is a range of light American-built twin side-by-side seater sporting biplanes of the early 1930s.

The A series offered a number of engine options which had varying sub-designations.

[1] The PLA "Sportsman" of 1933 introduced a longer wider fuselage and a higher useful load and had a 170 hp (127 kW) Jacobs LA-1 radial engine.

[2] The A series was bought mainly by private pilot owners with a sporting inclination.

A PBA is on display in the Historic Aircraft Restoration Museum at Dauster Field near St Louis, Missouri.