The Israel lobby are individuals and groups seeking to influence the United States government to better serve Israel's interests. The largest pro-Israel lobbying group is Christians United for Israel with over seven million members. The American Israel Public Affairs Committee (AIPAC) is a leading organization within the lobby, speaking on behalf of a coalition of pro-Israel American Jewish groups.

Christians United for Israel (CUFI) is an American Christian organization that supports Israel. Its statement of purpose is; "to provide a national association through which every pro-Israel church, parachurch organization, ministry or individual in America can speak and act with one voice in support of Israel in matters related to Biblical issues." As a Christian Zionist group with over 10 million members, it is the largest Zionist organization in the United States. It operates under the leadership of John Hagee as founder and chairman, along with Diana Hagee and Shari Dollinger as co-executive directors.