Regeneration or regenerative may refer to:

In biology:

• Bush regeneration, an ecological technique practiced in Australia
• Regeneration (biology), the ability to recreate lost or damaged tissues, organs and limbs

In literature:

• Regeneration (novel), a prize-winning novel by Pat Barker
• Regeneration, a book on biological regeneration by Thomas Hunt Morgan

In film:

• Regeneration (film), a 1915 film staring John McCann
• Regeneration (1997 film), a 1997 film adapted from the Pat barker novel (released as Behind the Lines in the USA)

In music:

• Regeneration (album), a 1977 album by Roy Orbison
• Regeneration (Divine Comedy album), a 2001 album by Irish pop band The Divine Comedy
• Regeneration (Superchick album), a 2003 remix CD by Christian band Superchic[k]

In science and technology:

• Regenerative amplification, a process used to generate short but strong pulses of laser light
• Regenerative brake, an apparatus or system which allows a vehicle to recapture energy normally lost to heat when braking
• Regenerative capacitor memory, a type of computer memory that uses the electrical property of capacitance to store the bits of data
• Regenerative circuit, a circuit in electronics that allows a signal to be amplified many times
• Regenerative cooling (rocket), a process in rocket engines
• Regenerative Design, a process for sustainable development
• Hydrochloric acid regeneration, a chemical process for the reclamation of HCl from metal chloride solutions as hydrochloric acid

In Christian theology:

• Regeneration (theology), the doctrine of being born again
• Presumptive regeneration, the idea that the children of Christians will be born again because God cares for and chooses families as well as individuals

In popular culture:

• Regeneration (Doctor Who), a biological ability exhibited by the Time Lords in the fictional context of Doctor Who
• Evil Dead: Regeneration, a video game for the PlayStation 2 and Xbox video game consoles
• "Regeneration" (Enterprise episode), an episode of the television show Star Trek: Enterprise

In other fields:

• Urban regeneration, another term for urban renewal
• Regeneration (Portugal), a period in the history of Portugal