Indefatigable

Indefatigable may refer to:

Ships

 * HMS Indefatigable, several ships of the name in the British Royal Navy
 * TS Indefatigable, a British training ship
 * Indefatigable-class battlecruiser
 * Indefatigable (1799 ship), a merchant ship used to transport convicts to Australia
 * Indefatigable (aka "The Indie"), a key ship in the Horatio Hornblower series of novels by C. S. Forester

Other uses

 * Indefatigable gas field, a petroleum gas field
 * Indefatigable SW, a petroleum gas field; see Bacton Gas Terminal
 * Indefatigable Island, in the Galapagos
 * Mount Indefatigable, a mountain in Canada