Juan de Dios Ramírez Heredia (born 29 July 1942) is a Spanish politician, of Romani ethnic origin.
From 1986 to 1999, he was a Member of the European Parliament for the Spanish Socialist Workers' Party (PSOE).
He was Director of the School of Vocational Rehabilitation, "San Juan Bosco" for the physically handicapped in Barcelona between 1970 and 1990.
In recognition of this work, in February 2008 he was awarded an Honorary Doctorate by the University of Cádiz, the first Rom to receive this distinction in the world.
Ramírez Heredia also promotes Romanò-Kalò, a variant of International Romani, enriched by Caló words.