Oetwil am See is a municipality in the district of Meilen in the canton of Zürich in Switzerland.

Of the rest of the land, 19.7% is settled (buildings or roads) and the remainder (0.2%) is non-productive (rivers, glaciers or mountains).

As of 2007[update] 16.7% of the total municipal area was undergoing some type of construction.

As of 2008[update] the gender distribution of the population was 49.6% male and 50.4% female.

Most of the population (as of 2000[update]) speaks German (82.3%), with Italian being second most common ( 3.8%) and Serbo-Croatian being third ( 3.0%).

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