| Mode: | Basketball |
| Year: | 1999–2000 |
| Team: | Arizona Wildcats |
| Conference: | Pacific-10 Conference |
| Short Conf: | Pac-10 |
| Coachrank: | 8 |
| Aprank: | 4 |
| Record: | 27–7 |
| Conf Record: | 15–3 |
| Hc Year: | 17th |
| Ac1 Year: | 11th |
| Ac2 Year: | 3rd |
| Champion: | NIT Season Tip-Off Champions Pac-10 Regular-Season Co-Champions |
| Tourney Result: | Round of 32 |
The 1999–2000 Arizona Wildcats men's basketball team represented the University of Arizona in the 1999–2000 NCAA Division I men's basketball season. The head coach was Lute Olson. The team played its home games in the McKale Center in Tucson, Arizona, and was a member of the Pacific-10 Conference. The Wildcats finished the season in first place in the Pacific-10 conference with a 15–3 record.[1] Arizona reached the Second Round in the 2000 NCAA Division I men's basketball tournament, losing to Wisconsin 59-66 and finishing the season with a 27–7 record.[2]
|-!colspan=9 style="background:#; color:white;"| Regular season|-!colspan=9 style="background:#;"| NCAA tournament|-[3]
See main article: 1999–2000 NCAA Division I men's basketball rankings.