Maria Juur (born March 15, 1988), better known by her stage name Maria Minerva, is an Estonian musician and activist.

Maria Minerva is the recipient of two Estonian Music Awards. Her releases have received critical acclaim from music publications such as Pitchfork Media and The Fader. One of Maria Minerva's early supporters was the influential pop critic Simon Reynolds. She was named as one of the seminal Los Angeles artists by The Guardian and appeared on Estonian World's annual "Top 12 Most Outstanding Estonian Women in the World" list.

Maria graduated from the Estonian Academy of Arts and Goldsmiths, University of London, where she studied with British cultural theorist Mark Fisher. Her father Mart Juur is an Estonian humorist, writer and TV/radio personality.