David Oliver Whilldin (April 8, 1881 – January 18, 1970) was an American architect in Alabama.
[1][2] Several of the buildings he designed are listed on the National Register of Historic Places, including his office building the Whilldin Building.
His designs include Legion Field and schools in the Birmingham City Schools district.
He studied at Drexel Institute and the University of Pennsylvania.
[4] A pen and ink drawing he did of Independence Hall in Philadelphia is in the Birmingham Museum of Art's collection.