Richard Macy Noyes (April 6, 1919 – November 25, 1997) was an American physical chemist.

Noyes was born April 6, 1919, in Champaign, Illinois, to the American chemist William Noyes and his third wife Katherine Macy, daughter of Jesse Macy.

His older half-brother was Albert (1898–1980) and his brother Pierre (1923 - 2016); both were chemists.

His research area was focused on the kinetic studies of oscillating reactions.

Field and Endre Kőrös, he developed a model (FKN mechanism) in 1972 to describe the Belousov–Zhabotinsky reaction.