Ritsu Dōan (堂安 律, Dōan Ritsu; born 16 June 1998) is a Japanese professional footballer who plays as a right winger for Bundesliga club Eintracht Frankfurt and the Japan national team.

Coming through the youth system, Dōan joined J1 League club Gamba Osaka in 2015.^{[citation needed]} On 27 May, he debuted against FC Seoul in the 2015 AFC Champions League.^{[citation needed]} In 2016, he mainly played for their Gamba Osaka's newly-established reserve team Gamba Osaka U-23 in the J3 League.

In June 2017, Dōan moved to Eredivisie club FC Groningen on loan with an option to purchase on a three-year contract.^{[citation needed]} The option was exercised on 23 April 2018, and Dōan transferred to Groningen on a permanent basis on 1 July 2018.

On 15 April 2018, against Roda, Dōan scored his eighth goal of the season, equaling the total of goals Arjen Robben scored as a teenager for Groningen.

Dōan joined PSV Eindhoven on a five-year contract in 2019.

In September 2020, he moved on loan to Bundesliga side Arminia Bielefeld for the 2020–21 season. Dōan made his debut in the opening game of the season, a 1–1 draw against Eintracht Frankfurt.^{[citation needed]} Dōan scored his first goal for Bielefeld in a 4–1 home defeat against Bayern Munich.

On 5 July 2022, SC Freiburg announced that they had signed Dōan ahead of the 2022–23 season. Later that year, he scored his first goal for the club on 6 August, in a 4–0 win versus Augsburg. In the 2024–25 season, he became his club's top scorer with 10 goals, all scored in the Bundesliga.

On 7 August 2025, Dōan joined fellow Bundesliga side Eintracht Frankfurt by signing a contract until 2030.