Rolla Wells (June 1, 1856 – November 30, 1944), also called "Rollo", was an American politician.

His name first appears in print in the on October 9, 1892, edition of New York Times, where he is described as the "President of the Fair Association" for St. Louis.

In the March 18, 1893, edition, he is quoted as the "President of the Jockey Club" of St. Louis; and the July 16, 1896, edition includes the statement "Rolla Wells, President of the Jefferson Club, resigned last night, announcing that he could not support the Chicago platform" (the "Chicago platform" referring to William Jennings Bryan).

On April 1, 1901, the New York Times reported that "One of the hardest fought municipal campaigns in the history of St Louis closed to-night" and that the candidates were "Rolla Wells, Democratic; George W. Parker, Republican; Chauncey I. Filley, Good Government; Lee Meriwether, Public Ownership; Leon Greenbaum, Social-Democrat, and Lewis C. Fry, Socialist-Labor."

Wells was Mayor of St. Louis for eight years, during which time the World's Fair and the Olympics were held there.