Chou Tzu-yu (p=Zhōu Zǐyú; born June 14, 1999), known mononymously as Tzuyu (, ), is a Taiwanese singer based in South Korea. She is a member of the South Korean girl group Twice, formed by JYP Entertainment in 2015.
Tzuyu released her debut extended play (EP), Aboutzu, on September 6, 2024. Its lead single, "Run Away", became her first number-one single on the Billboard Taiwan Songs chart.
In 2012, Tzuyu was discovered by talent scouts at the Muse Performing Arts Workshop in Tainan, and moved to South Korea in November of that year to begin training. In 2015, Tzuyu participated in the South Korean reality television show Sixteen, created by JYP Entertainment and co-produced by Mnet. As one of nine successful participants, she went on to join the newly formed girl group Twice.
On August 2, 2024, JYP Entertainment announced that Tzuyu would be making her solo debut with the release of her debut extended play, Aboutzu, on September 6. The EP has six tracks, including lead single "Run Away" and collaborations with Peniel Shin of BtoB and rapper pH-1. On September 26, 2025, Tzuyu released the collaboration single "Blink" with Corbyn Besson, along with an accompanying music video.
In 2024, Tzuyu announced that she had completed a master's degree in applied psychology from Miguel de Cervantes European University in Spain. She explained that she pursued the degree online for over a year, as Twice's group activities had slowed down during the COVID-19 pandemic.
| + List of extended plays, showing selected details, selected chart positions, and sales figures ! scope="col" rowspan="2" | Title ! scope="col" rowspan="2" | Details ! scope="col" colspan="5" | Peak chart positions ! scope="col" rowspan="2" | Sales ! scope="col" rowspan="2" | Certifications |
| + List of singles, showing year released, selected chart positions, and name of the album ! scope="col" rowspan="2" | Title ! scope="col" rowspan="2" | Year ! scope="col" colspan="5" | Peak chart positions ! scope="col" rowspan="2" | Album | ||||
| "—" denotes a recording that did not chart or was not released in that territory. | ||||||||
| + List of other charted songs, showing year released, selected chart positions, and name of the album ! scope="col" rowspan="2" | Title ! scope="col" rowspan="2" | Year ! scope="col" | Peak chart positions ! scope="col" rowspan="2" | Album |
| + List of non-single guest appearances, showing year released, and name of the album ! scope="col" | Title ! scope="col" | Year ! scope="col" | Album |
| + List of songs, showing year released, artist name, and name of the album ! scope="col" | Title ! scope="col" | Year ! scope="col" | Artist ! scope="col" | Album ! scope="col" | Notes |
| + List of music videos, showing year released, and name of the director(s) |
| + Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination ! scope="col" | Award ceremony ! scope="col" | Year ! scope="col" | Category ! scope="col" | Nominee / Work ! scope="col" | Result ! scope="col" class="unsortable" | |
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