CP1

CP1 may refer to:

CP1 (classification), a disability sport classification specific to cerebral palsy Am star, a class of chemically peculiar stars Chicago Pile-1, the World's first artificial nuclear reactor Complex projective line (), or Riemann sphere, in mathematics Vektor CP1, a South African pistol Warren CP-1, an experimental monoplane CP1: an EEG electrode site according to the 10-20 system Pasir Ris MRT station, MRT station code Cours Préparatoire 1re année, first year of primary education in the French-like education system (e.g. Côte d'Ivoire) CP1: An A Level Further Maths topic.