A liquid ejection recording head includes a recording element substrate including an ejection energy generation element and a plurality of electrode pads, the ejection energy generation element being configured to generate ejection energy by which to eject a liquid, the liquid ejection recording head also includes an electric wiring substrate including a plurality of lead electrodes connected to corresponding electrode pads to apply an electric signal to the ejection energy generation element, wherein one or more of the plurality of electrode pads are not connected to any lead electrode, and each lead electrode connected to an electrode pad adjacent to any of the plurality of electrode pads not connected to any lead electrode has a wide part whose width is greater than the width of the other lead electrodes.