Half-life (disambiguation)

Half-life is a mathematical and scientific description of exponential or gradual decay.

Half-life, half life or halflife may also refer to:

Film and television

Half Life (Jackson novel), a 2006 novel by Shelley Jackson
Half-Life (Krach novel), a 2004 novel by Aaron Krach
Halflife (Michalowski novel), a 2004 novel by Mark Michalowski
Rozpad połowiczny (Half-Life), a 1988 award-winning dystopia novel by Edmund Wnuk-Lipiński

Half Life (3 album) (2001)
Halflife (EP), an EP by Lacuna Coil and the title track
Half-Life E.P., an EP by Local H
"Half Life", a song by 10 Years from The Autumn Effect
"Half Life", a song by Come from Near-Life Experience
"Half Life", a song by Imogen Heap from her album Ellipse
"Half Life", a song by Prototype from the album Trinity
"Half Life", a song by Trocadero from the album Roses Are Red, Violets Are Blue
"Half-Life", a song by X Ambassadors from the album Townie
Halflives, a French-Italian alternative rock band

Half-Life (series), a video game series developed by Valve
- Half-Life (video game), the first game in the series
- Half-Life 2, the second game in the series
- Half-Life: Alyx, a prequel to the events in the second game