George Brainerd Wellington (November 14, 1856 – January 31, 1921) was an American lawyer and politician from New York.

George B. Wellington was born in Troy, New York on November 14, 1856.

He graduated from Rensselaer Polytechnic Institute in 1875; from Williams College in 1876; and from Albany Law School in 1878.

He practiced law in Troy, for a time in partnership with Frank S. Black.

In 1880, Wellington married Harriet Townsend (died 1940), and they had five children.