The optimum is the best or most favorable condition, or the greatest amount or degree possible under specific sets of comparable circumstances.

Optimum may also refer to:

Optimum (brand), a digital cable and broadband service based in the US Optimum Releasing, a film and DVD distribution company based in the UK

See also

Optimal sorting (disambiguation) Optimality theory (disambiguation) Optimism (disambiguation) Optimist (disambiguation) Optimistic (disambiguation) Optimization (disambiguation), a concept in applied mathematics and engineering Optimum currency area, in economics and monetary policy Optimum programming, in computer programming Optimum sustainable yield, in population ecology and economics Thermal optimum, in geology and climate history