Name Locale Remarks Date
James Addison Baker Muscat Stopped while traveling to Poland to join President Bush. July 8, 1989
Madeleine Korbel Albright Muscat Accompanied President Clinton. March 25, 2000
Colin Luther Powell Muscat Met with Foreign Minister bin Abdallah. January 3, 2005
Hillary Rodham Clinton Muscat Addressed a Town Meeting with Omani Civil Society. January 12, 2011
Hillary Rodham Clinton Muscat Met with Sultan Qaboos. October 19–20, 2011
John Forbes Kerry Muscat Met with Sultan Qaboos bin Said al Said and Defense Minister Said Badr al-Busaidi. May 21–22, 2013
John Forbes Kerry Muscat Attended a trilateral meeting with EU High Representative Lady Catherine Ashton and Iranian Foreign Minister Mohammad Javad Zarif. November 9–11, 2014
John Forbes Kerry Muscat Discussed the Yemen conflict with Sultan Qaboos and Foreign Minister Yusuf bin Alawi. November 14, 2016