The 1975–76 San Antonio Spurs season was the third season in San Antonio and the last in the ABA. The Spurs made it into the 1975 ABA Playoffs, but the Spurs would lose 4–3 to the New York Nets in the ABA Semifinals. Despite never winning a playoff series in the ABA, the Spurs would be admitted to the NBA along with the Indiana Pacers, the New York Nets, and the Denver Nuggets.
See main article: 1974 ABA Draft.
[1]| Game | Date | Opponent | Result | Spurs | Opponents | Record |
| 1 | ||||||
| 2 | ||||||
| 60 | 24 | .714 | – | |
| 55 | 29 | .655 | 5 | |
| San Antonio Spurs | 50 | 34 | .595 | 10 |
| 46 | 38 | .548 | 14 | |
| 39 | 45 | .464 | 21 | |
| 35 | 49 | .417 | 25 | |
| 3 | 8 | .273 | 20.5 | |
| 4 | 12 | .250 | 22 | |
| 15 | 68 | .181 | 44.5 | |
Semifinals
| Game | Date | Location | Score | Record | Attendance |
| 1 | April 9 | New York | 101–116 | 0–1 | 8,221 |
| 2 | April 11 | San Antonio | 105–79 | 1–1 | 5,769 |
| 3 | April 14 | New York | 111–103 | 2–1 | 10,009 |
| 4 | April 18 | San Antonio | 108–110 | 2–2 | 9,277 |
| 5 | April 19 | New York | 108–110 | 2–3 | 11,321 |
| 6 | April 21 | San Antonio | 106–105 | 3–3 | 10,484 |
| 7 | April 24 | New York | 114–121 | 3–4 | 15,934 |