Maxine Elizabeth Dexter (née Johnson, born December 5, 1972) is an American physician and politician serving as the U.S. representative for Oregon's 3rd congressional district since 2025.

[3] In 2023, it was reported that she would continue to work part-time at Kaiser Permanente as a pulmonologist and critical care medicine specialist during her congressional run.

[9] As a representative, Dexter introduced a bill expanding access to the opioid antidote medication naloxone, allowing first responders to distribute the drug to members of the general public, and decriminalizing fentanyl test strips.

[4] On December 5, 2023, Dexter announced her candidacy for the Democratic nomination for Oregon's 3rd congressional district to succeed retiring Representative Earl Blumenauer.

[4] In the primary, she faced opposition from former Multnomah County Commissioner Susheela Jayapal and Gresham City Councilor Eddy Morales.

[13][14] She received endorsements from politicians including Dan Rayfield, who served as speaker of the Oregon House of Representatives from 2022 to 2024.

She also supports greater protections for employees, reducing greenhouse gas emissions, increased money for public housing, and stricter gun control.