| Daniel Maartens | |
| Fullname: | Daniel Johannes Maartens |
| Birth Date: | 4 May 1995 |
| Birth Place: | Nelspruit, South Africa |
| School: | Hoërskool Nelspruit |
| University: | University of the Free State |
| Position: | Flank |
| Currentclub: | / |
| Youthyears1: | 2008–2013 |
| Youthyears2: | 2014–2016 |
| Years1: | 2017–2019 |
| Apps1: | 17 |
| Points1: | 15 |
| Years2: | 2017–2018 |
| Apps2: | 8 |
| Points2: | 20 |
| Years3: | 2017–2020 |
| Apps3: | 11 |
| Points3: | 15 |
| Years4: | 2020–2022 |
| Apps4: | 26 |
| Points4: | 30 |
| Years5: | 2022– |
| Years6: | 2023– |
| Clubupdate: | 10 July 2022 |
Daniel Johannes Maartens (born 4 May 1995) is a South African rugby union player for the in the Pro14, the in the Currie Cup and the in the Rugby Challenge. He regularly plays as a flank.