Explorer Two

Explorer Two, Explorer II, Explorer 2, or variation, may refer to:

Vehicles

 * Explorer II (1935), a manned high-altitude balloon from National Geographic and the U.S. Army that set the manned high altitude record
 * MS Explorer II (1989), a cruise ship
 * Raven Explorer II, a U.S. autogyro kitplane
 * JUST Explorer II, a Chinese scientific research autonomous underwater vehicle
 * Foday Explorer II, a Chinese SUV

Other uses

 * Explorer 2 (1958), a failed U.S. Army exploratory satellite
 * Rolex Explorer II (1971), a wristwatch developed for explorers and adventurers
 * Charter Arms Explorer II pistol, a .22 calibre pistol