| Competition: | Druga HNL |
| Season: | 2013–14 |
| Winners: | NK Zagreb |
| Promoted: | NK Zagreb |
| League Topscorer: | Ilija Nestorovski (20) |
| Biggest Home Win: | Rudeš 8–0 Zelina |
| Biggest Away Win: | Zelina 0–4 Inter Zaprešić |
| Highest Scoring: | Rudeš 8–0 Zelina |
| Matches: | 198 |
| Total Goals: | 450 |
| Prevseason: | 2012–13 |
| Nextseason: | 2014–15 |
The 2013–14 Druga HNL (also known as 2. HNL) was the 23rd season of Croatia's second level football competition since its establishment in 1992.
NK Zagreb were league champions and earned a place in Croatia's first division, Prva HNL.
The league was contested by 12 teams (four less than in the previous season). Only two teams from Treća HNL were granted license for competing in the Druga HNL, HNK Segesta and HNK Val. Segesta won the qualification playoffs by 3-2 on aggregate and earned a place in Druga HNL.
Zagreb, Cibalia and Inter Zaprešić were relegated from 2012–13 Prva HNL.
The following clubs have been promoted or relegated at the end of the 2012–13 season:
Promoted to 1. HNL
Relegated to 3. HNL
Relegated to County league (fifth tier)
Relegated from 1. HNL
Promoted from 3. HNL
| Club | City / Town | Stadium | 2012-13 result | Capacity | |
|---|---|---|---|---|---|
| Cibalia | Vinkovci | Stadion HNK Cibalia | 11th in 1. HNL | 10,000 | |
| Dugopolje | Dugopolje | Stadion Hrvatski vitezovi | 8th in 2. HNL | 5,200 | |
| Gorica | Velika Gorica | Stadion Radnika | 10th in 2. HNL | 8,000 | |
| Inter Zaprešić | Zaprešić | Stadion ŠRC Zaprešić | 10th in 1. HNL | 5,228 | |
| Lučko | Zagreb | Stadion Lučko | 9th in 2. HNL | 1,500 | |
| Pomorac | Kostrena | Stadion Žuknica | 7th in 2. HNL | 3,000 | |
| Rudeš | Zagreb | ŠC Rudeš | 3rd in 2. HNL | 1,000 | |
| Segesta | Sisak | Gradski stadion Sisak | 1st in 3. HNL Center | 8,000 | |
| Sesvete | Zagreb | Sv. Josip Radnik | 11th in 2. HNL | 1,200 | |
| Solin | Solin | Stadion pokraj Jadra | 2nd in 2. HNL | 4,000 | |
| Zagreb | Zagreb | Stadion Kranjčevićeva | 12th in 1. HNL | 8,850 | |
| Zelina | Sv. Ivan Zelina | SRC Sveti Ivan Zelina | 6th in 2. HNL | 1,000 |
The top scorers in the 2013–14 Druga HNL season were:[1]
| width=40 | Rank | width=180 | Name | width=120 | Club | width=50 | Goals | width=50 | Apps | width=50 | Minutes played |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Ilija Nestorovski | Inter Zaprešić | 20 | 30 | 2622 | ||||||
| 2 | Gabrijel Boban | NK Zagreb | 18 | 31 | 2353 | ||||||
| 3 | Hrvoje Tokić | Cibalia | 16 | 28 | 1900 | ||||||
| 4 | Antonio Hrnčević | Segesta | 14 | 26 | 2138 | ||||||
| 5 | Miroslav Konopek | Rudeš | 11 | 24 | 2013 | ||||||
| Domagoj Abramović | Lučko | 11 | 32 | 2797 | |||||||
| 7 | Jurica Grgec | Zelina | 10 | 27 | 2361 | ||||||
| 8 | Josip Jurendić | NK Zagreb | 9 | 25 | 1807 | ||||||
| 9 | Marko Kolar | Sesvete | 8 | 21 | 1491 | ||||||
| Lovro Medić | NK Zagreb | 8 | 24 | 1924 |