Rafz is a municipality in the district of Bülach in the northwest of the canton of Zürich in Switzerland.
Rafz was first mentioned in 1413 as Rafsa.
Geography
thumb|left|Church of Rafz
thumb|Aerial view from 300 m by [[Walter Mittelholzer (1923)]]
Rafz has an area of . Of this area, 52% is used for agricultural purposes, while 33.1% is forested. The rest of the land (14.9%) is settled.
Historical population
The historical population is given in the following chart:<timeline>
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bar:1634 from:start till:412 text:"412"
bar:1722 from:start till:827 text:"827"
bar:1800 from:start till:837 text:"837"
bar:1850 from:start till:1583 text:"1583"
bar:1900 from:start till:1436 text:"1436"
bar:1950 from:start till:1690 text:"1690"
bar:2000 from:start till:3395 text:"3395"
bar:2018 from:start till:4576 text:"4576"
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Transport
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. It is a 38-minute ride from Zürich Hauptbahnhof.