卡尔塔舒（Cartaxo）是葡萄牙的一个城市，面积158.2 km²，人口有24,465人，市区人口有9,507人。

Cartaxo (Portuguese pronunciation: [kɐɾˈtaʃu]) is a municipality in the district of Santarém in continental Portugal. The population in 2011 was 24,462, in an area of 158.17 km². The urbanized centre of Cartaxo had a population of 9,507 in 2001.