Earle Keith Plyler (April 26, 1897 in Greenville, South Carolina – June 8, 1976 in Tallahassee, Florida), was an American physicist and an important pioneer of infrared spectroscopy and molecular spectroscopy.
He is the namesake of the "Earle K. Plyler Prize" of the American Physical Society.
Plyler originates from Greenville, South Carolina, where he graduated in Physics from Furman University (B.A.
In 1945 Plyler joined the National Bureau of Standards where he worked until 1962, when he became professor at Florida State University in Tallahassee.
In his memory the American Physical Society regularly issues the "Earle K. Plyler Prize" for outstanding achievements in Molecular Spectroscopy.