Simone Johanna Maria Simons (born 17 January 1985) is a Dutch singer.

She is best known for being the lead singer of Dutch symphonic metal band Epica, which she joined at the age of seventeen, releasing eight studio albums and touring the world.

In her singing career, she has also collaborated with bands such as Kamelot, Leaves' Eyes, Primal Fear, Ayreon, and Angra.

She also has a side pursuit as a lifestyle blogger, via her website SmoonStyle.