2016–17 Croatian Third Football League
The 2016–17 Treća HNL season is the 26th since its establishment.
The league consists of three regional groups, Istok, Jug and Zapad.
Overview before the season
50 teams will join the league, including two relegated from the 2015–16 Druga HNL and five promoted from the lower leagues.;Relegated from 2015–16 Druga HNL:
- Segesta '
- Zadar '
- Novigrad '
- Solin '
- Mladost Antin '
- Podravina '
- Špansko '
- Zagora '
- Mosor '
East
Stadia and locations
| Team | Home city | Stadium | Capacity |
| Bedem Ivankovo | Ivankovo | Grac | 1,000 |
| Belišće | Belišće | Gradski stadion | 5,000 |
| Bjelovar | Bjelovar | Gradski stadion | 4,000 |
| BSK | Bijelo Brdo | Igralište BSK-a | 1,000 |
| Đakovo Croatia | Đakovo | Stadion na Pazarištu | 3,000 |
| Koprivnica | Koprivnica | Gradski stadion | 3,500 |
| Marsonia | Slavonski Brod | Stadion uz Savu | 8,000 |
| Međimurje | Čakovec | SRC Mladost | 6,000 |
| Mladost Ždralovi | Ždralovi | Igralište NK Mladosti | 1,000 |
| Oriolik | Oriovac | Igralište NK Oriolika | 1,500 |
| Osijek II | Osijek | Igralište u Donjem gradu | 1,000 |
| Slavija | Pleternica | Stadion Stjepan Zdenko Šivo | 700 |
| Slavonija | Požega | Stadion kraj Orljave | 4,000 |
| Varaždin | Varaždin | Stadion Anđelko Herjavec | 9,099 |
| Višnjevac | Višnjevac | Stadion NK Višnjevca | 1,500 |
| Vukovar '91 | Vukovar | Gradski stadion | 6,000 |
League table
Results
South
Stadia and locations
| Team | Home city | Stadium | Capacity |
| BŠK Zmaj | Blato | Zlinje | 3,000 |
| Croatia Zmijavci | Zmijavci | ŠRC Marijan Šuto Mrma | 1,000 |
| GOŠK Dubrovnik 1919 | Dubrovnik | Lapad | 3,000 |
| Hajduk II | Split | Poljud | 34,448 |
| Hrvace | Hrvace | Gradski stadion | 3,075 |
| Jadran LP | Ploče | Igralište NK Jadrana | 2,000 |
| Junak | Sinj | Gradski stadion | 3,096 |
| Kamen Ivanbegovina | Ivanbegovina | Igralište NK Kamena | 1,000 |
| Neretva | Metković | Igralište iza Vage | 2,000 |
| Neretvanac | Opuzen | Podvornica | 2,500 |
| Omiš | Omiš | Stadion Anđelko Marušić-Ferata | 5,000 |
| Orkan | Dugi Rat | ŠRC Dalmacija | 3,000 |
| OŠK Otok | Otok | Igralište NK Otok | 450 |
| Primorac B/M | Biograd na Moru | Gradski stadion Kazimir i Silvio | 1,500 |
| Primorac 1929 | Stobreč | Igralište u Blatu | 3,600 |
| Val | Kaštel Stari | Vukovar | 2,000 |
| Zadar | Zadar | Stanovi | 5,860 |
| Zmaj Makarska | Makarska | Gradski sportski centar | 5,000 |
League table
Results
West
Stadia and locations
| Team | Home city | Stadium | Capacity |
| Dubrava | Zagreb | ŠRC Grana-Klaka | 2,000 |
| Dugo Selo | Dugo Selo | Gradski stadion | 2,000 |
| HAŠK | Zagreb | ŠRC Pešćenica | 3,000 |
| Jadran Poreč | Poreč | Veli Jože | 2,000 |
| Krk | Krk | SRC Josip Uravić Pepi | 500 |
| Kustošija | Zagreb | Igralište Kustošije | 2,550 |
| Maksimir | Zagreb | Oboj | 247 |
| Opatija | Opatija | Stadion NK Opatije | 2,000 |
| Samobor | Samobor | SC NK Samobor | 5,000 |
| Segesta | Sisak | Gradski stadion | 8,000 |
| Stupnik | Gornji Stupnik | SRC Stupnik | 1,000 |
| Trnje | Zagreb | Stadion Trnja | 1,000 |
| Vinogradar | Jastrebarsko | Mladina | 2,000 |
| Vrapče | Zagreb | Igralište Vrapča | 1,000 |
| Vrbovec | Vrbovec | Gradski stadion kraj Sajmišta | 4,000 |
| Zagorec | Krapina | ŠRC Podgora | 2,000 |