2Q or 2-Q may refer to: The second quarter of a calendar year (April, May, June) or fiscal year 2Q, IATA code for Air Cargo Carriers F3D-2Q, a model of Douglas F3D Skyknight WV-2Q, a model of Lockheed EC-121 Warning Star 2q, an arm of Chromosome 2 (human) See also Q2 (disambiguation)