René Steichen (born 27 November 1942) is a Luxembourgish politician and jurist.

A member of the Christian Social People's Party (CSV), Steichen first held office as Mayor of Diekirch (1974–1984).

In 1984, he entered the government as a Secretary of State, in which capacity he served until 1989, when he was promoted to Minister for Agriculture, Viticulture, and Rural Development.

In 1992, he became Luxembourg's European Commissioner, responsible for Agriculture and Rural Development.

He is currently the chairman of SES, the world's largest satellite operator and the largest component of Luxembourg Stock Exchange's premier LuxX index.