| Tomislav Duvnjak | |
| Birth Date: | 5 February 2003 |
| Birth Place: | Zagreb, Croatia |
| Position: | Midfielder |
| Currentclub: | Varaždin |
| Clubnumber: | 8 |
| Youthyears1: | 2009–2010 |
| Youthclubs1: | NK Croatia Sesvete |
| Youthyears2: | 2010–2020 |
| Youthclubs2: | Dinamo Zagreb |
| Years1: | 2020 |
| Caps1: | 1 |
| Goals1: | 0 |
| Years2: | 2020–2022 |
| Caps2: | 46 |
| Goals2: | 0 |
| Years3: | 2022–2024 |
| Caps3: | 12 |
| Goals3: | 0 |
| Years4: | 2023–2024 |
| Clubs4: | → Sesvete (loan) |
| Caps4: | 27 |
| Goals4: | 1 |
| Years5: | 2024– |
| Caps5: | 0 |
| Goals5: | 0 |
| Nationalyears1: | 2017 |
| Nationalteam1: | Croatia U14 |
| Nationalcaps1: | 2 |
| Nationalgoals1: | 1 |
| Nationalyears2: | 2017–2018 |
| Nationalteam2: | Croatia U15 |
| Nationalcaps2: | 7 |
| Nationalgoals2: | 1 |
| Nationalyears3: | 2018–2019 |
| Nationalcaps3: | 10 |
| Nationalgoals3: | 0 |
| Nationalyears4: | 2019–2020 |
| Nationalcaps4: | 14 |
| Nationalgoals4: | 2 |
| Nationalyears5: | 2021 |
| Nationalcaps5: | 7 |
| Nationalgoals5: | 0 |
| Nationalyears6: | 2022 |
| Nationalcaps6: | 1 |
| Nationalgoals6: | 0 |
| Pcupdate: | 8 August 2024 |
| Nationalteam-Update: | 28 June 2022 |
Tomislav Duvnjak (born 5 February 2003) is a Croatian footballer who plays for Sesvete on loan from Varaždin as a midfielder.
On 24 July 2020 he played his first match for Dinamo Zagreb, coming on as a substitute for Lovro Majer in the 76th minute in a match against NK Varaždin.[1]
After two years of playing for Dinamo's second-tier reserve team, Duvnjak moved to Istra 1961 in June 2022, having signed a contract until the summer of 2025.[2]
Duvnjak has played internationally for Croatia at under-14, under-15, under-16, under-17, under-19 and under-20 levels.[3]