Søren Bo Søndergaard (born 16 August 1955 in Kyndby) is a Danish teacher, metalworker and politician, who is a member of the Folketing for the Red-Green Alliance. He was elected into parliament at the 2015 Danish general election, and previously served from 1994 to 2005. He was a Member of the European Parliament for the People's Movement against the EU and associated member of GUE/NGL from 2007 to 2014.

Søren Søndergaard was born into the family of engineer Ernst Søndergaard and office assistant Birthe Søndergaard. His parents had been married five years earlier in May 1950 at Lyngby Church.^[1]

Søndergaard was first elected into the Folketing at the 1994 election. During his first term in the Folketing, he became a member of the Parliamentary Assembly of the Council of Europe and a rapporteur on Albania and political prisoners inAzerbaijan.^[2] He was reelected in 1998 and 2001. From 2006 to 2007 he was a municipal council member of Gladsaxe Municipality. From 2007 to 2014 he was a member of the European Parliament. After the 2014 European Parliament election he failed to get reelected. In 2015 he ran for national parliament again and was elected through a constituency mandate in the Copenhagen Suburbs Constituency.^[3] He was reelected in 2019.^[4][5]