Edward Newton Whittier (July 1, 1840 – June 14, 1902) was a Union Army officer during the American Civil War.

He took temporary command of the 5th Maine Battery when Captain Greenlief T. Stevens was wounded at the Battle of Gettysburg.

Whittier received the Medal of Honor for gallantry during the Battle of Fisher's Hill near Strasburg, Virginia fought September 21–22, 1864.

He was a companion of the Massachusetts Commandery of the Military Order of the Loyal Legion of the United States.

“The President of the United States of America, in the name of Congress, takes pleasure in presenting the Medal of Honor to First Lieutenant (Field Artillery) Edward Newton Whittier, United States Army, for extraordinary heroism on 22 September 1864, while serving with Battery 5, Maine Light Artillery, in action at Fisher's Hill, Virginia.