The Fifty-ninth Oklahoma Legislature is the current meeting of the legislative branch of the government of Oklahoma, composed of the Senate and the House of Representatives. It meets in Oklahoma City, Oklahoma from January 3, 2023, to January 3, 2025, during the first two years of the second administration of Governor Kevin Stitt. The 2022 Oklahoma elections maintained Republican control of both the House and Senate.

• Organizational day: January 3, 2023^[1]
• First Session: February 6, 2023 - May 26, 2023^[1]
• 2023 Special Session: May 17^[2] - present
• Second Session:

Previous: 58th Legislature • Next: 60th Legislature

Representative Annie Menz was sworn is as the first Latina member of the Oklahoma House of Representatives.^[3]

On January 3, 2023, Representative Cyndi Munson became the first Asian-American nominee for Speaker of the Oklahoma House of Representatives.^[4]