Edville Gerhardt Abbott (November 6, 1871[1] – August 27, 1938) was an American orthopedic surgeon, orthotist and inventor.

Returning to the U. S. in 1901, Abbott opened an office in Portland, Maine to practice orthopedic surgery.. During this period, he re-entered Bowdoin College to obtain a Bachelor of Arts.

In 1913, he successfully demonstrated results of his method at an orthopedic congress in Berlin, Germany and England and elsewhere in Europe.

He is buried at Evergreen Cemetery in Portland, Maine[5] Abbott's method — treatment of scoliosis by lateral pulling and counterpulling on the spinal column by means of wide bandages and pads, until the deformity is over-corrected, and then applying a plaster jacket to produce pressure, counterpressure, and fixation of the spine in its correct position.

Abott's Sign — the obvious lateral curvature of the spine, when physically observed at the back part of a patient suffering from scoliosis.