Anca Todoni (born 10 October 2004) is a Romanian tennis player. She has a career-high WTA singles ranking of world No. 108, achieved on 27 January 2025, and a doubles ranking of No. 275, achieved on 27 January 2025.
In February, Todoni made her WTA Tour main draw debut at the Transylvania Open, after receiving a wildcard, but lost in the first round to qualifier Erika Andreeva.
In April, ranked No. 217, she qualified for the singles main draw at the Copa Colsanitas in Bogotá, Colombia, and defeated Lucrezia Stefanini in the first round before losing her next match to Camila Osorio.
In June, she won her first WTA 125 title in Bari, with wins over Fiona Ferro and Elvina Kalieva in the first and second rounds, Eva Lys and top seeded Nadia Podoroska in the quarterfinal and the semifinal, before defeating Panna Udvardy in the final. As a result, she reached the top 150 in the singles rankings, at world No. 136 on 10 June 2024.[]
Ranked No. 141, she qualified for the main draw at Wimbledon making her Grand Slam tournament debut, and recorded her first Major win over lucky loser Olga Danilović. She went out in round two against second seed Coco Gauff.
Todoni reached the second round at the Iași Open when her opening opponent, Aliona Falei, retired injured but she lost to Olga Danilovic.
In November, Todoni won her second WTA 125 tournament at the Bolivia Open, defeating Emiliana Arango in the final. She continued her good form the following week at the WTA 125 Cali Open in Colombia, where she reached the quarterfinals with wins over qualifier Martina Okáľová and Solana Sierra, before losing to second seed and eventual champion Irina-Camelia Begu.
Todoni started her 2025 season by qualifying for the Brisbane International, where she defeated Cristina Bucșa, before losing to 12th seed Linda Nosková in the second round. She then qualified for the main draw at the Australian Open for the first time, but lost her opening match to fifth seed Zheng Qinwen.