Ricardo Mario Ehrlich (Montevideo, born 4 November 1948) is a Uruguayan biologist and a political figure.

From 2005 until 2010 he was Mayor (styled Intendente Municipal in Uruguayan vernacular Spanish) of Montevideo.

Ehrlich was a student militant who was jailed under the Presidency of Juan Maria Bordaberry who led a coup in 1973 to reinforce his rule at a time of great social tension.

Subsequently, on his release in 1973, Ehrlich spent many years in exile in Europe.

In 2005 Ehrlich stood for the leftist Frente Amplio in Montevideo's mayoral elections and won, gaining 60.9% of the vote.