The Thirtieth Oklahoma Legislature was a meeting of the legislative branch of the government of Oklahoma, composed of the Oklahoma Senate and the Oklahoma House of Representatives. The state legislature met in regular session at the Oklahoma State Capitol in Oklahoma City from January 5 to July 22, 1965, during the first term of Governor Henry Bellmon.^[1] It was the last time the state legislature met only once every two years,^[1] and the first time since A. C. Hamlin left office in 1910 that the legislature included black members.^[2]

Lieutenant Governor Leo Winters served as President of the Senate, Clem McSpadden served as President pro tempore of the Oklahoma Senate, and J. D. McCarty served as Speaker of the Oklahoma House of Representatives.

• January 5-July 22, 1965^[1]

Previous: 29th Legislature • Next: 31st Legislature

• The state legislature impeached Oklahoma Supreme Court Justice N. B. Johnson, convicting him on May 12, 1965.^[1]

• President of the Senate: Lieutenant Governor Leo Winters^[3]
• Senate President Pro Tem: Clem McSpadden
• Speaker of the House: J. D. McCarty^[1]
• Speaker Pro Tempore: Rex Privett^[1]
• Majority Floor Leader: Leland Wolf^[1]
• Minority Leader: G. T. Blankenship^[1]

• Chief Clerk of the House: Louise Stockton^[1]