https://travel.state.gov/content/travel/en/legal/travel-legal-considerations/us-citizenship/Renunciation-US-Nationality-Abroad.html https://travel.state.gov/con

https://travel.state.gov/content/travel/en/legal/travel-legal-considerations/us-citizenship/Renunciation-US-Nationality-Abroad.html https://travel.state.gov/content/travel/en/legal/travel-lega... No requirement to have another citizenship to renounce.