Nicholas Suman (born 28 February 2000) is an Australian professional soccer player who plays as a goalkeeper for Scottish Premiership club Aberdeen.

Suman's father had played briefly at National Soccer League level during the 1989–1990 season. Suman began playing for Colo Cougars, where he played until the age of 11. He then spent two years with Nepean FC, where he took up goalkeeping at 12. Suman was then signed to Sydney United and the Football New South Wales National Training Centre.

Suman was signed to the Western Sydney Wanderers youth team in 2015. He played five times for the Wanderers in his first National Youth League season. In 2016, Suman joined the Wanderers team in the National Premier Leagues NSW. In May 2017, Suman signed a one-year scholarship contract with the Wanderers. Aged 17, Suman was the youngest member of the Wanderers 2017–18 squad. After the 2017–18 season, Suman had trials with Rangers and Brighton & Hove Albion. In July 2018, his scholarship contract was extended by two years.

In September 2020, Suman joined new A-League club Macarthur ahead of their inaugural season.

After a trial, Suman signed a two-year contract with Scottish team Cove Rangers in 2023.

Suman moved to Scottish Premiership club Aberdeen in May 2025.

Suman holds Australia and United Kingdom passports.

Suman was part of the Australia team that won the 2016 AFF U-16 Youth Championship.