| Competition: | Druga NL |
| Season: | 2022–23 |
| Dates: | 19 August 2022 – 4 June 2023 |
| Winners: | Sesvete |
| Promoted: | Sesvete, Zrinski Jurjevac |
| Relegated: | Međimurje, Osijek II, Zagorec Krapina |
| League Topscorer: | Nikola Marić (24 goals) |
| Prevseason: | 2021–22 |
| Nextseason: | 2023–24 |
| Updated: | 5 June 2023 |
The 2022–23 Croatian Second Football League (also known as Druga Nogometna Liga and 2. NL) was the 32nd edition of the third tier of Croatian football league and 1st season of the restructured Druga nogometna liga.
The league was contested by 16 teams and played in a double round robin format.
Vukovar 1991 was promoted to the 2022–23 Prva NL, while 14 eastern, 9 northern, 16 southern, 16 central and 12 western clubs were relegated to 2022–23 Treća NL due new leagues system.
New clubs are Croatia Zmijavci, Sesvete, Osijek II and Opatija which were relegated from 2021–22 Druga HNL and 10 best placed third tier teams with two playoff winners.
Due to the bankruptcy, Inter Zaprešić, who was scheduled to play in the Croatian second level, was dissolved before the season. Croatia Zmijavci was promoted back to Croatian first league to fill their spot.
Now opened spot was taken by the Trnje who beat Hrvatski Vitez Posedarje in the play-offs.
| Team | City | Stadium[1] | Capacity[2] | Last season |
|---|---|---|---|---|
| Belišće | Belišće | Stadion Gradski | 5,000 | 3rd in 3. HNL - east |
| Gradski stadion | 4,000 | 3rd in 3. HNL - north | ||
| Dugo Selo | Dugo Selo | Gradski stadion | 2,000 | 2nd in 3. HNL - center |
| Grobničan | Čavle | Stadion Adelija Haramija Beba | 3,000 | 2nd in 3. HNL - west |
| Hrvace | Hrvace | Gradski stadion | 3,075 | 3rd in 3. HNL - south |
| Jadran Luka Ploče | Ploče | Stadion NK Jadran | 2,000 | 1st in 3. HNL - south |
| Jadran Poreč | Poreč | Stadion Veli Jože | 5,000 | 3rd in 3. HNL - west |
| Marsonia 1909 | Slavonski Brod | Gradski stadion uz Savu | 6,000 | 4th in 3. HNL - east |
| Međimurje | Čakovec | 6,000 | 5th in 3. HNL - north | |
| Mladost Ždralovi | Ždralovi | Stadion NK Mladost | 1,500 | 2nd in 3. HNL - north |
| Opatija | Opatija | Stadion Kantrida | 10,600 | 16th in 2. HNL |
| Osijek II | Osijek | Stadion Gradski vrt | 19,220 | 15th in 2. HNL |
| Sesvete | Sesvete | Stadion Sveti Josip radnik | 2,000 | 14th in 2. HNL |
| Trnje | Zagreb | Stadion ŠC Rudeš | 2,000 | 3rd in 3. HNL - center |
| Zagorec | Krapina | ŠRC Podgora | 2,000 | 1st in 3. HNL - center |
| Zrinski Jurjevac | Punitovci | Stadion Bara | 1,000 | 2nd in 3. HNL - east |
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14th place Zagorec Krapina was joined by winners of 5 groups of Third Football League. 3 winners of these matches qualified to 2023-24 Second Football League.