Hittnau is a municipality in the district of Pfäffikon in the canton of Zürich in Switzerland.

Of the rest of the land, 11.8% is settled (buildings or roads) and the remainder (0.7%) is non-productive (rivers, glaciers or mountains).

As of 2007[update] 6.1% of the total municipal area was undergoing some type of construction.

It includes the settlements of Ober- and Unterhittnau, Dürstelen, Isikon, Hasel, Schönau and Hofhalden.

Most of the population (as of 2000[update]) speaks German (95.2%), with Italian being second most common ( 0.9%) and French being third ( 0.7%).

In the 2007 election the most popular party was the SVP which received 40.9% of the vote.