Life span or lifespan may refer to:
- Maximum life span, the maximum lifespan observed in a group
- Life expectancy, the average lifespan expected of a group
- Longevity, the average lifespan expected under ideal conditions
- Lifespan (film), a 1976 film starring Klaus Kinski
Famous quotes containing the words life and/or span:
“I declare
Two lineages electrify the air,
That will like pennons from a mast
Fly over sleep and life and death
Till sun is powerless to decoy
A single seed above the earth:
Lineage of sorrow: lineage of joy....”
—Philip Larkin (1922–1986)
“The last bear, shot drinking in the Dakotas
Loped under wires that span the mountain stream.”
—Hart Crane (1899–1932)