The Oldershaw O-2, officially registered as the Oldershaw Jana-Linn O-2, is an American high-wing, single seat, V-tailed glider that was designed and built by Vernon Oldershaw.
The O-2 was designed by Oldershaw to compete with Dick Johnson's Ross-Johnson RJ-5.
The O-2 is constructed of wood. Its span wing employs a NACA 63 (3)-618 airfoil at the wing root, with a NACA 63 (2)-615 at the wing tip. The wing is equipped with dive brakes. The landing gear is a retractable monowheel.
Only one O-2 was built.
The O-2 first flew in 1961 and was flown by Oldershaw in the 1962 and 1962 US Nationals. The aircraft has made a number of flights in excess of , including one of . Oldershaw later sold the aircraft to Don Gaede of Torrance, California and it was reportedly still being actively flown in the 1980s. Gaede remodeled the cockpit and introduced a new nose shape. The O-2 was later donated to the US Southwest Soaring Museum, where it is on display.