Mariand Castrejón Castañeda (born March 13, 1993), better known as Yuya, is a Mexican beauty vlogger and YouTuber.

[3] In March 2016, she was one of seven female YouTube creators who joined the United Nations' Sustainable Development Action Campaign, aiming to "achieve gender equality and empower all women and girls.

[5] She released a perfume called #True in July 2015 and a makeup collection in October 2017.

[6][7] She was in a relationship with Beto Pasillas, also a YouTuber, but broke up in June 2019.

[9] On June 12, 2021, Yuya announced she is pregnant via Instagram,[10] and uploaded a video on her channel sharing her experience with pregnancy.