O Deza is a comarca in the northeast corner of the Galician Province of Pontevedra.

It covers an area of 1,024.7 km2, and had an overall population of 42,511 at the 2011 Census;[2] the latest official estimate (as at the start of 2018) of 40,063.

[3] The camarca is composed of the following 6 municipalities: