Rafz is a municipality in the district of Bülach in the northwest of the canton of Zürich in Switzerland.

Most of the population (as of 2000[update]) speaks German (91.1%), with Italian being second most common (2.5%) and Albanian being third (2.5%).

In the 2007 election the most popular party was the SVP which received 44% of the vote.

In Rafz about 79.5% of the population (between age 25 and 64) have completed either non-mandatory upper secondary education or additional higher education (either university or a Fachhochschule).

The historical population is given in the following chart:[3][6]Rafz railway station is the terminus of Zürich S-Bahn line S9 from Zürich, and an intermediate stop on the S22 between Bülach and Schaffhausen.