Robert W. Farquhar, American engineer (b. 1932)
Robert Willard Farquhar (September 12, 1932 – October 18, 2015) was an American mission design specialist who worked for NASA. He designed halo orbits and was involved in a number of spaceflight missions.

Farquhar was elected as a member into the National Academy of Engineering in 2012 for deep space missions to asteroids and comets and for leading the NEAR mission to Eros.