- Source: Facundo Arregui
- 522 Martir Spanyol
- Facundo Arregui
- Facundo (given name)
- Swimming at the 2023 Parapan American Games
- Argentina at the 2023 Parapan American Games
- Argentina at the 2015 Parapan American Games
- Swimming at the 2015 Parapan American Games – Men's 50 metre freestyle S7
- Swimming at the 2015 Parapan American Games
- 2023 World Para Swimming Championships – Men's 400 metre freestyle
- 2022 World Para Swimming Championships – Men's 400 metre freestyle
- Swimming at the 2016 Summer Paralympics – Men's 400 metre freestyle S7
Facundo José Arregui (born 15 September 1997) is an Argentine Paralympic swimmer who competes at international swimming competitions. He specialises in freestyle swimming and open water swimming. He is a Parapan American Games champion and a World silver medalist in freestyle swimming. He also competed at the Argentina at the 2016 Summer Paralympics where he finished fifth place in the 400 m freestyle S7 event.
Family
Arregui's father is Fernando Arregui is a water polo player, he competed in the water polo at the 2011 Pan American Games and is also Facundo's swimming coach. Facundo's sister Camilla Arregui is a synchronized swimmer who has competed at the 2017 and 2019 World Aquatics Championships.