- Source: Ronan Wantenaar
- Ronan Wantenaar
- 2024 World Aquatics Swimming Championships (25 m) – Men's 100 metre breaststroke
- 2024 World Aquatics Swimming Championships (25 m) – Mixed 4 × 50 metre freestyle relay
- 2024 World Aquatics Swimming Championships (25 m) – Mixed 4 × 50 metre medley relay
- Namibia at the 2023 World Aquatics Championships
- List of Namibian records in swimming
- Swimming at the 2024 World Aquatics Championships – Men's 100 metre breaststroke
- Swimming at the 2024 World Aquatics Championships – Men's 50 metre breaststroke
- Swimming at the 2023 World Aquatics Championships – Men's 200 metre individual medley
- Swimming at the 2023 World Aquatics Championships – Men's 100 metre breaststroke
Ronan Wantenaar (born 10 February 2001) is a Namibian swimmer. He competed in the men's 50 metre breaststroke event at the 2017 World Aquatics Championships. In 2019, he represented Namibia at the 2019 World Aquatics Championships held in Gwangju, South Korea.