- (electronics) Initialism of IEEE Power Engineering Society.
- (video games) Initialism of Pro Evolution Soccer.
PES (countable and uncountable, plural PESes)
- (organic chemistry) Abbreviation of polyethersulfone.
- (physics) Initialism of potential energy surface.
- Initialism of phantom eye syndrome.
- EPS, EPs, ESP, Eps, PSE, SEP, SPE, Sep, Sep., eps, esp, esp., sep
PES f (uncountable)
- (parapsychology) Initialism of percepção extrassensorial: ESP