Siril Helljesen (born 14 October 1978) is a Norwegian equestrian.

She was born in Oslo.

She finished 31st in the individual dressage at the 2012 Summer Olympics in London.

[1] She became the first Norwegian to compete in dressage event at the Olympics since 1952 Summer Olympics in Helsinki, Finland.

This biographical article related to Norwegian equestrianism is a stub.