The team was led by ninth-year head coach Sean Miller, and played their home games at McKale Center in Tucson, Arizona as members in the Pac-12 Conference.

Due to 2017–18 NCAA Division I men's basketball corruption scandal, 18 wins from this season have been vacated.

Arizona also defeated Sacred Heart, Northern Colorado and Santa Clara but lost to Butler in the championship game of the Las Vegas Invitational in Paradise, NV.

2 seed in the West region, they defeated North Dakota 100–82 and Saint Mary's 69–60 to advance to the Sweet Sixteen.

Arizona also added Preferred Walk-on Matt Weyand from Mater Dei High School in Santa Ana, California.

On September 26, federal prosecutors in New York announced charges of fraud and corruption against 10 people involved in college basketball, including Arizona assistant coach Emmanuel "Book" Richardson.

[22] On January 11, 2018, UA fired assistant basketball coach Book Richardson after his appeal failed.

[23] On February 23, 2018, according to a published report by ESPN, an FBI wiretap revealed that head coach Sean Miller talked with Christian Dawkins (another key figure in the scandal) to discuss paying their top prospect, Deandre Ayton, $100,000 to commit to Arizona, with the monetary situation being dealt with directly with him.

[24] While Miller would not coach their next game that day against Oregon, Arizona allowed Ayton to play.

[25] Coach Sean Miller subsequently denied the allegation and the University of Arizona announced he will remain the coach of Arizona Wildcats men's basketball team, with Ayton also allowed to continue playing with the team for the rest of the season.

However, as a consequence of the report involving Ayton, both of Arizona's remaining committed recruits from the class of 2018, Shareef O'Neal and Brandon Williams, announced they had decommitted.

[26] Roster Last update: February 2018 Practices began earlier than otherwise allowed by the NCAA in preparation for a three-game foreign tour to Spain in August.

(NCAA rules allow teams to conduct 10 practices in preparation for a foreign tour.)

The University of Arizona basketball program will travel to Spain in August for a foreign tour, including a trio of exhibition games.

UA will take on Combinado Valenciano on Saturday, Aug. 13 at 7 p.m. local at the Pabellon Municipal Fuente de San Luis in Valencia.

The trip's second exhibition features Arizona and the Mataro All-Stars on Wednesday, August 16 at 7:10 p.m. in Barcelona inside the Pavello Municipal Teresa Maria Roca prior to the final exhibition two days later against Mataro Parc Boet in the same arena.

[32] For the fifth time in the past six seasons, Arizona Wildcats voted 2017-18 Pac-12 preseason favorite by media poll.

On June 8, Arizona released the non-conference schedule is highlighted by marquee match-ups at McKale Center and across the country.

Arizona will travel to Phoenix to play Texas A&M at Talking Stick Resort Arena in the annual Valley of the Sun Shootout, to Nassau, Bahamas to play three of the following teams: (NC State, Northern Iowa, Purdue, SMU, Tennessee, Villanova or Western Kentucky) in the Battle 4 Atlantis at Imperial Arena, to Albuquerque to play against New Mexico, and finally face UNLV in Paradise, NV.

*AP does not release post-NCAA Tournament rankings 2017–18 Arizona Wildcats women's basketball team