- Source: Iwan Spekenbrink
- Team Giant-Alpecin
- Iwan Spekenbrink
- Team DSM–Firmenich PostNL (men's team)
- AIGCP
- 2024 Team dsm–firmenich PostNL (men's team) season
- 2022 Team DSM (men's team) season
- 2021 Team DSM (men's team) season
- 2020 Team Sunweb (men's team) season
- 2014 Giant–Shimano season
- 2018 Team Sunweb (men's team) season
- 2016 Team Giant–Alpecin season
Iwan Spekenbrink (born 15 February 1976) is a Dutch cycling manager, who has been the team manager of UCI WorldTeam Team DSM–Firmenich PostNL since the team's creation in 2005. He is also the president of the AIGCP, which he was elected to in 2015.
He competed as a cyclist as a junior before moving onto working as a team manager.