Maulidia Octavia, or better known as Via Vallen, (born in Surabaya, 1 October 1991) is an Indonesian singer of dangdut music.

Via started a career in singing at the age of 15 years. Her presence in the entertainment world of Indonesia is often considered similar to Isyana Sarasvati because of the resemblance of her face. Via has a support group of fans from different cities named Vyanisty, inaugurated on September 24, 2010. Her solo career began with the release of her first single titled Selingkuh in early 2015.

Via Vallen is a dangdut singer from East Java who has been known as a national artist.[citation needed] Via is also successful in bringing the genre of koplo and earned the nickname "Pop Queen Koplo" because the pop songs are sung in the rhythm of dangdut koplo along with a number of famous dangdut music groups such as New Pallapa, SERA, Monata and others. Her work became more widely known when a number of national television stations invited her to become a guest star on the Inbox SCTV Carnival.

Via has been invited to an award ceremony named Anugerah Dangdut Indonesia MNCTV 2016 and has performed with a number of famous artists such as Dewi Persik, Zaskia Gotik, Raffi Ahmad, Soimah Pancawati and others.

In addition to having fans named Vyanisty, Via Vallen is herself a fan of Beyonce and Mariah Carey. Via claimed not to love dangdut as a teenager, preferring pop rock music including that by the American band Evanescence, and singer Avril Lavigne.