Lists of former United States citizens cover citizens of the United States who were denaturalized, or stripped of their nationality, and citizens who chose to relinquish their nationality.

• List of denaturalized former citizens of the United States
• List of former United States citizens who relinquished their nationality
• Quarterly Publication of Individuals Who Have Chosen to Expatriate, a U.S. government publication listing the names of certain former U.S. citizens

• National Instant Criminal Background Check System, a non-public FBI gun control database which includes people who have renounced U.S. citizenship
• Relinquishment of United States nationality
• Emigration from the United States

This article includes a people-related list of lists.