Utilitarianism
public.icon
maximization of utility (such as happiness and well-being)
great utility for great number of people
a version of Consequentialism: consequence of actions is a standard of right or wrong
Jeremy Bentham
principle of utility (ethical thing to do is that which produces the greatest happiness for the greatest number)
John Stuart Mill
Peter Singer
cost-benefit analysis and triage(medical)
ref
https://en.wikipedia.org/wiki/Utilitarianism