Ellis Lake is a man-made lake in Marysville, California.
Ellis Lake may also refer to:
Canada Ellis Lake (Muskoka District), a lake of Ontario Ellis Lake (Priske Township, Thunder Bay District), a lake of Ontario Ellis Lake (Timiskaming District) Ellis Lake (Parry Sound District), a lake of Ontario Ellis Lake (Wabikoba Creek), a lake of Ontario
United States A lake in Birch Township, Beltrami County, Minnesota A tributary of the Betsie River, Michigan