Reinhold Rehs (12 October 1901 – 4 December 1971) was a German politician and chairman of the Federation of Expellees in 1967-70.

Rehs was born in Klinthenen (now Znamenka in Pravdinsky District), district of Gerdauen, East Prussia (today Russia) as a son of a teacher of Huguenot descent, his family lived in East Prussia since their flight from France.

In August 1945 Rehs started to work as a jurist at the Schleswig-Holstein State employment office and joined the Social Democratic Party of Germany in 1948.

[3] He became the Speaker (Chairman) of the Landsmannschaft Ostpreussen in 1966 and President of the Federation of Expellees in 1967.

When Willy Brandt first announced his intended turnaround concerning the Former eastern territories of Germany at the SPD party congress in March 1968, Rehs, sitting in the first row, left the audience in protest.