Arzila is a former civil parish in the municipality of Coimbra, Portugal. The population in 2011 was 655, in an area of 3.45 km<sup>2</sup>. On 28 January 2013 it merged with Taveiro and Ameal to form Taveiro, Ameal e Arzila. There is a Moroccan city with the same name, indicating its etymology is of Punic origin.
It is home to the Paul de Arzila, a natural reserve with a large number of species of birds among other animals. Its patron Immaculate Conception is celebrated annually on 8 December.