Viability

Viability or viable may refer to:

Biology, medicine or ecology

Viability selection, the selection of individual organisms who can survive until they are able to reproduce
Fetal viability, the ability of a fetus to survive outside of the uterus
Genetic viability, chance of a population of plants or animals to avoid the problems of inbreeding
Minimum viable population, a lower bound on the population of a species, such that it can survive in the wild
Population viability analysis, a species-specific method of risk assessment frequently used in conservation biology
Viable count, of viable cells

Viability study, a study of the profitability of a business concept which is to be converted into a business
Minimum viable product, in product development, a strategy used for fast and quantitative market testing of a product or product feature

Viable Paradise, an annual one-week writing workshop held each autumn on Martha's Vineyard
Viable system model, a scientific model by Stafford Beer of the organization of a viable or autonomous system
Viable system theory, a modelling approach that enables complex strategic and operative business and financial systems to be modelled and explored.
Viability theory, an area of mathematics that studies the evolution of dynamical systems under constraints to the system's state