Jay Bowerman (August 15, 1876 – October 25, 1957) was an American politician of the Republican Party who served as the 13th Governor of Oregon, for the final few months of the term of Frank Benson, who retired due to illness.

When Governor Frank W. Benson was incapacitated by ill health in June 1910, he asked Bowerman, as president of the Senate, to assume gubernatorial responsibilities.

Bowerman's Democratic gubernatorial rival, Oswald West, cast him as an opponent of the Oregon System of direct government.

Bowerman campaigned on a platform supporting modernized highway systems, increased economies in the administration of government, and continued tight control of state land management.

After leaving the office of governor on January 8, 1911, Bowerman moved to Portland, where he resumed the practice of law.

[2] As a private citizen he actively supported Oregon's first statewide bond issue for highway construction, a $6,000,000 proposal.