María Monica Merenciano Herrero (born 1 August 1984) is a judo athlete from Spain.

[4] Baku hosted the 2007 edition of the IPC European Judo Championships where Merenciano took home a bronze medal.

[4] In October 2011, she competed in a regional Spanish national vision impaired judo event in Guadalajara.

[7] The 2013 IPC European Judo Championships were held in early December in Eger, Hungary, and she competed in them in the under 57 kilos event.

[1][11][12][13][14] Merenciano competed in judo at the 2004 Summer Paralympics and won a bronze medal in the Up to 63 kg women's group.