The 5th Arizona Territorial Legislative Assembly was a session of the Arizona Territorial Legislature which met from November 10, 1868, to December 16, 1868, in Tucson, Arizona Territory. It was the last of the annual legislative sessions.
In the year preceding the session there had been several important political changes in the territory. On November 1, 1867, the capital had been officially moved from Prescott to Tucson. Additionally, Governor Richard C. McCormick had won election to become Arizona's Territorial Delegate to Congress and was preparing to depart to Washington D.C. His replacement had not yet been named.
Hostilities with the native peoples continued with A. M. Erwin, who had won election to become a member of the session, having been killed by Apache near his home. There was some progress however with most of the Hualapai having been forced onto a reservation. There had also been several infrastructure improvements. During previous year, a telegraph line to Santa Fe had been completed with discussions being held of building a second line to California. Railroads were also in the process of being constructed across the territory.
The thirty-seven-day-long session of the Fourth Legislative Assembly convened in Tucson on November 10, 1868. The session met in an abode building on Main street belonging to Hiram S. Stevens. Local stories from after the session claimed some meetings occurred in the Congress Street Saloon.
During the session, the House of Representatives had difficulties maintaining a quorum. Only one of the six representatives from Yavapai county attended the session while the delegations from both Mohave and Yuma counties were both a representative short. Additionally, Councilman Octavius D. Gass and Representative Andrew S. Gibbons were late to arrive at the session.