Ireneo García Alonso (25 March 1923 – 4 June 2012) was a Spanish prelate of the Roman Catholic Church.
García Alonso was born in Quintanilla Vivar, Spain and ordained a priest on 27 March 1948.
García Alonso was appointed bishop of the Diocese of Albacete on 7 December 1968 and ordained a bishop on 25 January 1969.
He resigned as bishop of Albacete on 4 August 1980.