Nathan Dossantos

College career In 2018, Dossantos began attending Duquesne University, where he played for the men's soccer team. He made his collegiate debut on August 24, 2018, against the Marshall Thundering Herd. On October 13, 2018, he scored his first collegiate goal in a victory over the George Mason Patriots.

Ahead of the 2020 season, Dossantos transferred to Marshall University to play for the men's soccer team. He scored his first goal for Marshall on March 13, 2021, scoring the overtime winner against the FIU Panthers. In his first season with Marshall (played in the 2021 Spring due to the COVID-19 pandemic), he helped them with the national title and was named the Conference USA Defensive Player of the Week three times, and was named an All-Conference USA First Team All-Star, All-Southeast Region Second-Team, Scholar All-Region, Scholar All-American Second Team, Conference USA Commissioner's Honor Roll, NCAA All-Tournament Team, and TopDrawer Soccer Best XI Teams Third Team Defense. Ahead of his senior season, he was named the Conference USA Preseason Defensive Player of the Year. At the end of the season, he was named the Conference USA Defensive MVP and was named to the All-Conference First Team and the All-Southeast Region First Team.

Club career In 2016, he played with the Woodbridge Strikers in League1 Ontario. In 2017, he played with Sigma FC.

In 2019, he played with the Seattle Sounders U23 in USL League Two. In 2021, he played with FC Florida U23.

At the 2022 MLS SuperDraft, Dossantos was selected in the second round (46th overall) by Orlando City.

In February 2022, he signed with USL Championship club Pittsburgh Riverhounds SC on a one-year contract with a club option for 2023. He made his debut on March 12, 2022, as a substitute in 3–0 win over Memphis 901. In May 2022, he was named to the USL Championship Team of the Week for the first time for Week 9. He made 22 appearances for the club in 2022, before suffering a knee injury in August that kept him out for the remainder of the season. At the end of the season, the Riverhounds exercised their option for the 2023 season.

In January 2024, Dossantos signed with USL Championship club Charleston Battery. Dossantos was released by Charleston following their 2025 season.

On December 22, 2025, Dossantos signed with Tampa Bay Rowdies.

International career Dossantos was born to a Portuguese father and a mother from Hong Kong.