An election promise or campaign promise is a promise or guarantee made to the public by a candidate or political party that is trying to win an election. Across the Western world, political parties are highly likely to fulfill their election promises. In the United States, platform positions offer important clues as to the policies that U.S. parties will enact.

Parties that hold executive office after elections generally fulfill substantial percentages, sometimes very high percentages, of their election pledges, whereas parties that do not hold executive office generally find that lower percentages of their pledges are fulfilled. The fulfillment of pledges by governing executive parties varies across governments in ways that reflect power-sharing arrangements.