Chamusca is a Portuguese wine region centered on the town of Chamusca in the Ribatejo region. The region was initially a separate Indicação de Proveniencia Regulamentada (IPR) region, but in 2003, it became one of six subregions of the Ribatejo DOC, which has the higher Denominação de Origem Controlada (DOC) status. Its name may still be indicated together with that of Ribatejo, as Ribatejo-Chamusca. Located east of Almeirim IPR, the wines of this region are very similar to Almeirim.
- Jancis Robinson, ed. (2006). "Chamusca". Oxford Companion to Wine (Third ed.). Oxford: Oxford University Press. p. 153. ISBN 0-19-860990-6.
- Official Journal of the European Union C 187/1, 8.8.2009: List of quality wines produced in specified regions (reflects situation as of July 31, 2009)
- T. Stevenson "The Sotheby's Wine Encyclopedia" pg 330 Dorling Kindersley 2005 ISBN 0-7566-1324-8