Sandrine Bélier (born 2 September 1973 in Longjumeau) is a French environmental jurist, politician of Europe Écologie–The Greens and Member of the European Parliament elected in the 2009 European election for the East constituency.
In 2009, she was selected to lead the Europe Écologie list in the East constituency ahead of the 2009 European elections.
Her list won over 14%, so she was easily elected to the European Parliament.
From 2009 to 2012, she served on the committee on Environment, Public Health and Food Safety.
On 30 June 2014, she led the delegation for relations of the European Parliament on a parliamentary tour to Japan.