Taro Daniel (ダニエル 太郎, Danieru Tarō, born 27 January 1993) is a Japanese professional tennis player.

Qualifying for his first ATP tournament, he made the quarterfinals of the Chile Open, after gaining revenge over Bellucci and defeating eighth seed Federico Delbonis.

Daniel qualified for the 2014 US Open to make his Grand Slam main-draw debut, losing to fifth seed Milos Raonic in the first round.

[5] The next week, he reached the final at the Seville Challenger, where he was defeated by top seed Pablo Carreño Busta.

In July, Daniel won the Fürth Challenger, defeating top seeds Blaž Rola and Albert Montañés.

[8] Daniel received direct entry to the main draw of the 2016 Australian Open, losing in the first round to Lukáš Rosol in five sets.

In February, he reached the second round of the Open Sud de France before losing to eighth seed Marcos Baghdatis in straight sets.

At 2016 Davis Cup World Group first round in Birmingham, Japan faced defending champion Great Britain.

In the 2016 French Open, he advanced to the second round of Major tournaments for the first time in his career when his opponent Martin Kližan had to retire from injury in the fifth set.

Daniel then beat Kyle Edmund of Great Britain before losing to Juan Martín del Potro, despite having won the first set.

[9] In March at the 2018 Indian Wells Masters, Daniel qualified for the main draw and defeated Cameron Norrie[10] and world No.

[12] After winning through 2022 Australian Open qualifying, Daniel made it to the third round of a Grand Slam for the first time in his career, beating Tomás Barrios and former finalist Andy Murray in the process.

[13] At the 2022 BNP Paribas Open in Indian Wells in March, having beaten him at Melbourne, Daniel lost to Andy Murray, giving the Scot the 700th match win of his career on the ATP Tour.

125 at the Mexican Open, Daniel reached the quarterfinals as a qualifier defeating second seed Casper Ruud for his first top 10 win of his career.

[15][16] At the 2023 BNP Paribas Open he defeated Roberto Carballes Baena and 20th seed Matteo Berrettini to reach the third round of a Masters as a qualifier for the second time at this tournament and in his career.

Taro reached his second ATP final at the 2024 ASB Classic in Auckland, New Zealand defeating top seed Ben Shelton becoming the first Japanese finalist at the tournament.