The 55th Arizona State Legislature, consisting of the Arizona Senate and the Arizona House of Representatives, is the current legislative session constituted in Phoenix on January 11, 2021, during the second two years of Doug Ducey's second full term in office.

In the November 2020 Senate election, Democrats gained one seat, leaving the Republicans with a 16–14 majority.

[1] The Legislature met in its first regular session at the State Capitol in Phoenix.

The session opened on January 11, 2021, and adjourned sine die on June 30, 2021.

[2][3] The second regular session began on January 10, 2022, adjourning on June 25, 2022.