Oetwil am See is a municipality in the district of Meilen, on Lake Zurich in the Canton of Zürich, Switzerland. In addition to the village of the same name, it also takes in the localities of Willikon, Etzikon, Summerau, Chrüzlen and Gusch

Of the total area, 67.8% of Oetwil am See is devoted to agriculture, 12.4% to forestry and 14.2% to housing and development, while 5.6% is given over to transport.