The Winnetka district of Los Angeles, California is a suburb in the western part of the San Fernando Valley, north of Canoga Park, and south of Chatsworth.

One peculiarity about this district is the grid of the valley streets, which makes this district a completely anonymous rectangle, even though it is still a pleasant and safe place to live, with all the amenities of the City of Los Angeles.

Before World War II, this area was rural, as was Chatsworth.