Andrea Ofilada Veneracion (or Ma'am OA; July 11, 1928 – July 9, 2013) was a Filipino choral conductor and a recipient of the 1999 National Artist for Music award. She founded the Philippine Madrigal Singers in 1963. She was also an adjudicator in numerous international choral competitions and was an active force in choral music before her massive stroke in 2005.