[needs update] Derek Joel Lewis (born October 31, 1986) is an American politician who has served as a Republican member of the Kentucky House of Representatives from Kentucky's 90th House district since January 2019.

[3] He earned a Bachelor of Science in accounting and communication arts from the University of the Cumberlands and a Master of Business Administration from Western Kentucky University.

[2][3] He owns numerous small businesses such as a handyman service, pharmacy, and residential real estate.

[2] On April 16, 2020, two hours after the adjournment of the 2020 Kentucky General Assembly, Lewis was arrested and charged with driving under the influence.

Lewis was found not guilty, with a key part of his defense being a 2021 Kentucky Supreme Court ruling decided that Lewis' refusal to submit to a blood test could not be presented by prosecutors as evidence of guilt.