Feynman may refer to:
- Richard Feynman
- Feynman diagram
- Feynman graph
- Feynman-Kac formula
- The Feynman Lectures on Physics
- Feynman('s) (path) integral, see Path integral formulation
- Feynman parametrization
- Feynman checkerboard
- Feynman point
- Feynman slash notation
- Feynman-Wheeler theory
- Hellmann-Feynman theorem
- One-loop Feynman diagram
- Stückelberg-Feynman interpretation, see Antiparticle
- Feynman's Lost Lecture: The Motion of Planets Around the Sun
- Surely You're Joking, Mr. Feynman!
- Michelle Feynman, the daughter of Richard
- Carl Feynman, the son of Richard
- Joan Feynman, the sister of Richard