Javelin can refer to several things:

• For the spear-like object, see Javelin throw.
• For the aircraft, see Gloster Javelin or ATG Javelin.
• For the anti-aircraft weapon, see Javelin surface-to-air missile.
• For the anti-tank weapon, see Javelin anti-tank missile.
• For the Sailing dinghy, see Javelin dinghy.
• For the sounding rocket, see Javelin (rocket).