A. Robertson Democratic The 1918 Oklahoma gubernatorial election was held on November 5, 1918, and was a race for Governor of Oklahoma.

A. Robertson defeated Republican Horace G. McKeever.

Also on the ballot was Patrick S. Nagle of the Socialist Party.

A. Robertson, a former judge who had lost in the Democratic gubernatorial primary in 1914, defeated six other candidates to win the nomination, including future governor 'Alfalfa Bill' Murray.

In a race where all five candidates achieved significant vote percentages, Horace G. McKeever came out on top.