| Updated: | 12 May 2017 |
| Prevseason: | 2015–16 |
| Nextseason: | 2017–18 |
| Season: | 2016–17 |
| Champions: | Cedevita (4th title) |
| Runners Up: | Cibona |
| Promoted: | Jazine Arbanasi |
| Relegated: | Kvarner 2010 |
| Teams: | 14 |
| Games: | 182 |
| Tv: | HRT Arena Sport |
| Top Seed: | Šibenik |
| Top Scorer: | Brandon Johnson (Alkar) |
| Ppg: | 22.3 |
| Ppg N: | USA |
| Rebounds Leader: | Miro Bilan (Cedevita) |
| Rpg: | 8.2 |
| Rpg N: | HRV |
| Assists Leader: | Brandon Johnson (Alkar) |
| Apg: | 8.1 |
| Apg N: | USA |
| Highest Scoring: | Gorica 124–113 Hermes |
| Biggest Home Win: | Jolly JBŠ 91–49 Gorica |
| Biggest Away Win: | Zabok 69–93 Šibenik |
| Highest Attendance: | 6,000 Cibona vs. Cedevita Finals, Game 5 |
| Lowest Attendance: | 20 Hermes Analitica vs. Šibenik |
The 2016–17 A-1 League (hr|A-1 liga 2016./17.) was the 26th season of the A-1 League, the highest professional basketball league in Croatia. The season started on 5 October 2016 and finished on 1 June 2017. Cedevita won its fourth national championship after defeating Cibona in the playoffs final.
All participants in A-1 League including teams that played in the ABA League joined the regular season. It was played in a double round-robin format where the eight first qualified teams joined the playoffs while the last qualified one was directly relegated and the 13th qualified played a relegation playoff.
| Team | Coach | City | Venue | Capacity | |
|---|---|---|---|---|---|
| Alkar | Damir Milačić | Sinj | Sinj Sports Hall | ||
| Cedevita | Zagreb | Dom Sportova | |||
| Cibona | Zagreb | Dražen Petrović Basketball Hall | |||
| Gorica |  Boris Džidić | Velika Gorica | Velika Gorica High Schools' Hall | ||
| Hermes Analitica | Zvonimir Mravak | Zagreb | Vladimir Prelog Science and Mathematics School's Sports Hall | ||
| Jolly Jadranska banka Šibenik | Ivan Velić | Šibenik | Baldekin Sports Hall | ||
| Kvarner 2010 | Marijan Mance | Rijeka | Dinko Lukarić Hall | ||
| Split | Split | Arena Gripe | |||
| Šibenik | Vladimir Anzulović | Šibenik | Baldekin Sports Hall | ||
| Škrljevo | Damir Rajković | Škrljevo | Mavrinci Hall | ||
| Vrijednosnice Osijek | Osijek | Gradski vrt Hall | |||
| Zabok | Dragutin Črnjević | Zabok | Zabok Sports Hall | ||
| Zadar | Aramis Naglić | Zadar | Krešimir Ćosić Hall | ||
| Zagreb | Zagreb | Trnsko Sports Hall |
| Teams that play in the 2016–17 Adriatic League | ||
| Teams that play in the 2016–17 Alpe Adria Cup |