Physical fitness, a state of health and well-being of the bodyFitness (biology), an individual's ability to propagate its genesFitness (cereal), a brand of breakfast cereals and granola barsFitness (magazine), a women's magazine, focusing on health and exerciseFitness and figure competition, a form of physique training, related to bodybuildingFitness approximation, a method of function optimization evolutionary computation or artificial evolution methodologiesFitness function, a particular type of objective function in mathematics and computer science"Fitness", a 2018 song by Lizzo reference
