Seen District of the city of Winterthur
District
Flag Seal
Coordinates: 47°28′34″N 8°46′12″E / 47.476°N 8.770°E / 47.476; 8.770
Country	Switzerland
Canton	Zürich
City	Winterthur
first mentioned	774
Incorporated	1922
Area
• Total	11.01 km2 (4.25 sq mi)
Population  (31 Dec 2012)
• Total	17,630
• Density	1,555/km2 (4,030/sq mi)
Postal code	8405, 8482
District number	3
Quarters	Waser Büelwiesen Waldegg Ganzenbühl Sonnenberg Oberseen Gotzenwil Eidberg Iberg Sennhof

Seen is a district in the Swiss city of Winterthur. It is district number 3.

The district comprises the quarters Waser, Büelwiesen, Waldegg, Ganzenbühl, Sonnenberg, Ricketwil, Oberseen, Gotzenwil, Eidberg, Iberg and Sennhof.

Seen was formerly a municipality of its own, but was incorporated into Winterthur in 1922.

Winterthur-Seen railway station is a stop of the S-Bahn Zürich on the line S11 and S26.

The station is also a terminus of line 2 of the Winterthur trolleybus system.